id stringlengths 19 19 | content stringlengths 22 69.3k | max_stars_repo_path stringlengths 91 133 |
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d2a_code_data_41954 | static int dct_quantize_refine(MpegEncContext *s,
DCTELEM *block, int16_t *weight, DCTELEM *orig,
int n, int qscale){
int16_t rem[64];
DECLARE_ALIGNED_16(DCTELEM, d1[64]);
const int *qmat;
const uint8_t *scantable= s->intra_scantable.scantable;
const uint8_t *perm_scantable= s->intra_scantable.permutated;
int run_tab[65];
int prev_run=0;
int prev_level=0;
int qmul, qadd, start_i, last_non_zero, i, dc;
uint8_t * length;
uint8_t * last_length;
int lambda;
int rle_index, run, q = 1, sum;
#ifdef REFINE_STATS
static int count=0;
static int after_last=0;
static int to_zero=0;
static int from_zero=0;
static int raise=0;
static int lower=0;
static int messed_sign=0;
#endif
if(basis[0][0] == 0)
build_basis(s->dsp.idct_permutation);
qmul= qscale*2;
qadd= (qscale-1)|1;
if (s->mb_intra) {
if (!s->h263_aic) {
if (n < 4)
q = s->y_dc_scale;
else
q = s->c_dc_scale;
} else{
q = 1;
qadd=0;
}
q <<= RECON_SHIFT-3;
dc= block[0]*q;
start_i = 1;
qmat = s->q_intra_matrix[qscale];
length = s->intra_ac_vlc_length;
last_length= s->intra_ac_vlc_last_length;
} else {
dc= 0;
start_i = 0;
qmat = s->q_inter_matrix[qscale];
length = s->inter_ac_vlc_length;
last_length= s->inter_ac_vlc_last_length;
}
last_non_zero = s->block_last_index[n];
#ifdef REFINE_STATS
{START_TIMER
#endif
dc += (1<<(RECON_SHIFT-1));
for(i=0; i<64; i++){
rem[i]= dc - (orig[i]<<RECON_SHIFT);
}
#ifdef REFINE_STATS
STOP_TIMER("memset rem[]")}
#endif
sum=0;
for(i=0; i<64; i++){
int one= 36;
int qns=4;
int w;
w= FFABS(weight[i]) + qns*one;
w= 15 + (48*qns*one + w/2)/w;
weight[i] = w;
assert(w>0);
assert(w<(1<<6));
sum += w*w;
}
lambda= sum*(uint64_t)s->lambda2 >> (FF_LAMBDA_SHIFT - 6 + 6 + 6 + 6);
#ifdef REFINE_STATS
{START_TIMER
#endif
run=0;
rle_index=0;
for(i=start_i; i<=last_non_zero; i++){
int j= perm_scantable[i];
const int level= block[j];
int coeff;
if(level){
if(level<0) coeff= qmul*level - qadd;
else coeff= qmul*level + qadd;
run_tab[rle_index++]=run;
run=0;
s->dsp.add_8x8basis(rem, basis[j], coeff);
}else{
run++;
}
}
#ifdef REFINE_STATS
if(last_non_zero>0){
STOP_TIMER("init rem[]")
}
}
{START_TIMER
#endif
for(;;){
int best_score=s->dsp.try_8x8basis(rem, weight, basis[0], 0);
int best_coeff=0;
int best_change=0;
int run2, best_unquant_change=0, analyze_gradient;
#ifdef REFINE_STATS
{START_TIMER
#endif
analyze_gradient = last_non_zero > 2 || s->avctx->quantizer_noise_shaping >= 3;
if(analyze_gradient){
#ifdef REFINE_STATS
{START_TIMER
#endif
for(i=0; i<64; i++){
int w= weight[i];
d1[i] = (rem[i]*w*w + (1<<(RECON_SHIFT+12-1)))>>(RECON_SHIFT+12);
}
#ifdef REFINE_STATS
STOP_TIMER("rem*w*w")}
{START_TIMER
#endif
s->dsp.fdct(d1);
#ifdef REFINE_STATS
STOP_TIMER("dct")}
#endif
}
if(start_i){
const int level= block[0];
int change, old_coeff;
assert(s->mb_intra);
old_coeff= q*level;
for(change=-1; change<=1; change+=2){
int new_level= level + change;
int score, new_coeff;
new_coeff= q*new_level;
if(new_coeff >= 2048 || new_coeff < 0)
continue;
score= s->dsp.try_8x8basis(rem, weight, basis[0], new_coeff - old_coeff);
if(score<best_score){
best_score= score;
best_coeff= 0;
best_change= change;
best_unquant_change= new_coeff - old_coeff;
}
}
}
run=0;
rle_index=0;
run2= run_tab[rle_index++];
prev_level=0;
prev_run=0;
for(i=start_i; i<64; i++){
int j= perm_scantable[i];
const int level= block[j];
int change, old_coeff;
if(s->avctx->quantizer_noise_shaping < 3 && i > last_non_zero + 1)
break;
if(level){
if(level<0) old_coeff= qmul*level - qadd;
else old_coeff= qmul*level + qadd;
run2= run_tab[rle_index++];
}else{
old_coeff=0;
run2--;
assert(run2>=0 || i >= last_non_zero );
}
for(change=-1; change<=1; change+=2){
int new_level= level + change;
int score, new_coeff, unquant_change;
score=0;
if(s->avctx->quantizer_noise_shaping < 2 && FFABS(new_level) > FFABS(level))
continue;
if(new_level){
if(new_level<0) new_coeff= qmul*new_level - qadd;
else new_coeff= qmul*new_level + qadd;
if(new_coeff >= 2048 || new_coeff <= -2048)
continue;
if(level){
if(level < 63 && level > -63){
if(i < last_non_zero)
score += length[UNI_AC_ENC_INDEX(run, new_level+64)]
- length[UNI_AC_ENC_INDEX(run, level+64)];
else
score += last_length[UNI_AC_ENC_INDEX(run, new_level+64)]
- last_length[UNI_AC_ENC_INDEX(run, level+64)];
}
}else{
assert(FFABS(new_level)==1);
if(analyze_gradient){
int g= d1[ scantable[i] ];
if(g && (g^new_level) >= 0)
continue;
}
if(i < last_non_zero){
int next_i= i + run2 + 1;
int next_level= block[ perm_scantable[next_i] ] + 64;
if(next_level&(~127))
next_level= 0;
if(next_i < last_non_zero)
score += length[UNI_AC_ENC_INDEX(run, 65)]
+ length[UNI_AC_ENC_INDEX(run2, next_level)]
- length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];
else
score += length[UNI_AC_ENC_INDEX(run, 65)]
+ last_length[UNI_AC_ENC_INDEX(run2, next_level)]
- last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];
}else{
score += last_length[UNI_AC_ENC_INDEX(run, 65)];
if(prev_level){
score += length[UNI_AC_ENC_INDEX(prev_run, prev_level)]
- last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)];
}
}
}
}else{
new_coeff=0;
assert(FFABS(level)==1);
if(i < last_non_zero){
int next_i= i + run2 + 1;
int next_level= block[ perm_scantable[next_i] ] + 64;
if(next_level&(~127))
next_level= 0;
if(next_i < last_non_zero)
score += length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]
- length[UNI_AC_ENC_INDEX(run2, next_level)]
- length[UNI_AC_ENC_INDEX(run, 65)];
else
score += last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]
- last_length[UNI_AC_ENC_INDEX(run2, next_level)]
- length[UNI_AC_ENC_INDEX(run, 65)];
}else{
score += -last_length[UNI_AC_ENC_INDEX(run, 65)];
if(prev_level){
score += last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)]
- length[UNI_AC_ENC_INDEX(prev_run, prev_level)];
}
}
}
score *= lambda;
unquant_change= new_coeff - old_coeff;
assert((score < 100*lambda && score > -100*lambda) || lambda==0);
score+= s->dsp.try_8x8basis(rem, weight, basis[j], unquant_change);
if(score<best_score){
best_score= score;
best_coeff= i;
best_change= change;
best_unquant_change= unquant_change;
}
}
if(level){
prev_level= level + 64;
if(prev_level&(~127))
prev_level= 0;
prev_run= run;
run=0;
}else{
run++;
}
}
#ifdef REFINE_STATS
STOP_TIMER("iterative step")}
#endif
if(best_change){
int j= perm_scantable[ best_coeff ];
block[j] += best_change;
if(best_coeff > last_non_zero){
last_non_zero= best_coeff;
assert(block[j]);
#ifdef REFINE_STATS
after_last++;
#endif
}else{
#ifdef REFINE_STATS
if(block[j]){
if(block[j] - best_change){
if(FFABS(block[j]) > FFABS(block[j] - best_change)){
raise++;
}else{
lower++;
}
}else{
from_zero++;
}
}else{
to_zero++;
}
#endif
for(; last_non_zero>=start_i; last_non_zero--){
if(block[perm_scantable[last_non_zero]])
break;
}
}
#ifdef REFINE_STATS
count++;
if(256*256*256*64 % count == 0){
printf("after_last:%d to_zero:%d from_zero:%d raise:%d lower:%d sign:%d xyp:%d/%d/%d\n", after_last, to_zero, from_zero, raise, lower, messed_sign, s->mb_x, s->mb_y, s->picture_number);
}
#endif
run=0;
rle_index=0;
for(i=start_i; i<=last_non_zero; i++){
int j= perm_scantable[i];
const int level= block[j];
if(level){
run_tab[rle_index++]=run;
run=0;
}else{
run++;
}
}
s->dsp.add_8x8basis(rem, basis[j], best_unquant_change);
}else{
break;
}
}
#ifdef REFINE_STATS
if(last_non_zero>0){
STOP_TIMER("iterative search")
}
}
#endif
return last_non_zero;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/mpegvideo_enc.c/#L3458 |
d2a_code_data_41955 | static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack* track)
{
MOV_stts_t *stts_entries;
uint32_t entries = -1;
uint32_t atom_size;
int i;
if (track->enc->codec_type == CODEC_TYPE_AUDIO && !track->audio_vbr) {
stts_entries = av_malloc(sizeof(*stts_entries));
stts_entries[0].count = track->sampleCount;
stts_entries[0].duration = 1;
entries = 1;
} else {
stts_entries = av_malloc(track->entry * sizeof(*stts_entries));
for (i=0; i<track->entry; i++) {
int64_t duration = i + 1 == track->entry ?
track->trackDuration - track->cluster[i].dts + track->cluster[0].dts :
track->cluster[i+1].dts - track->cluster[i].dts;
if (i && duration == stts_entries[entries].duration) {
stts_entries[entries].count++;
} else {
entries++;
stts_entries[entries].duration = duration;
stts_entries[entries].count = 1;
}
}
entries++;
}
atom_size = 16 + (entries * 8);
put_be32(pb, atom_size);
put_tag(pb, "stts");
put_be32(pb, 0);
put_be32(pb, entries);
for (i=0; i<entries; i++) {
put_be32(pb, stts_entries[i].count);
put_be32(pb, stts_entries[i].duration);
}
av_free(stts_entries);
return atom_size;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavformat/movenc.c/#L694 |
d2a_code_data_41956 | void *lh_delete(_LHASH *lh, const void *data)
{
unsigned long hash;
LHASH_NODE *nn,**rn;
void *ret;
lh->error=0;
rn=getrn(lh,data,&hash);
if (*rn == NULL)
{
lh->num_no_delete++;
return(NULL);
}
else
{
nn= *rn;
*rn=nn->next;
ret=nn->data;
OPENSSL_free(nn);
lh->num_delete++;
}
lh->num_items--;
if ((lh->num_nodes > MIN_NODES) &&
(lh->down_load >= (lh->num_items*LH_LOAD_MULT/lh->num_nodes)))
contract(lh);
return(ret);
} | https://github.com/openssl/openssl/blob/7a71af86ce75751f3cb2e9e9e3f2e0715b39b101/crypto/lhash/lhash.c/#L240 |
d2a_code_data_41957 | int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
{
assert(pkt->subs != NULL && len != 0);
if (pkt->subs == NULL || len == 0)
return 0;
if (pkt->maxsize - pkt->written < len)
return 0;
if (pkt->buf->length - pkt->written < len) {
size_t newlen;
size_t reflen;
reflen = (len > pkt->buf->length) ? len : pkt->buf->length;
if (reflen > SIZE_MAX / 2) {
newlen = SIZE_MAX;
} else {
newlen = reflen * 2;
if (newlen < DEFAULT_BUF_SIZE)
newlen = DEFAULT_BUF_SIZE;
}
if (BUF_MEM_grow(pkt->buf, newlen) == 0)
return 0;
}
*allocbytes = (unsigned char *)pkt->buf->data + pkt->curr;
pkt->written += len;
pkt->curr += len;
return 1;
} | https://github.com/openssl/openssl/blob/a6972f346248fbc37e42056bb943fae0896a2967/ssl/packet.c/#L25 |
d2a_code_data_41958 | static void opt_input_ts_scale(const char *arg)
{
unsigned int stream;
double scale;
char *p;
stream = strtol(arg, &p, 0);
if (*p)
p++;
scale= strtod(p, &p);
if(stream >= MAX_STREAMS)
ffmpeg_exit(1);
input_files_ts_scale[nb_input_files] = grow_array(input_files_ts_scale[nb_input_files], sizeof(*input_files_ts_scale[nb_input_files]), &nb_input_files_ts_scale[nb_input_files], stream + 1);
input_files_ts_scale[nb_input_files][stream]= scale;
} | https://github.com/libav/libav/blob/5da116a3fde9013846bd7b385cdde5ce2951869c/ffmpeg.c/#L3043 |
d2a_code_data_41959 | uint32_t
ngx_utf8_decode(u_char **p, size_t n)
{
size_t len;
uint32_t u, i, valid;
u = **p;
if (u > 0xf0) {
u &= 0x07;
valid = 0xffff;
len = 3;
} else if (u > 0xe0) {
u &= 0x0f;
valid = 0x7ff;
len = 2;
} else if (u > 0xc0) {
u &= 0x1f;
valid = 0x7f;
len = 1;
} else {
(*p)++;
return 0xffffffff;
}
if (n - 1 < len) {
return 0xfffffffe;
}
(*p)++;
while (len) {
i = *(*p)++;
if (i < 0x80) {
return 0xffffffff;
}
u = (u << 6) | (i & 0x3f);
len--;
}
if (u > valid) {
return u;
}
return 0xffffffff;
} | https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/core/ngx_string.c/#L1112 |
d2a_code_data_41960 | static void doall_util_fn(OPENSSL_LHASH *lh, int use_arg,
OPENSSL_LH_DOALL_FUNC func,
OPENSSL_LH_DOALL_FUNCARG func_arg, void *arg)
{
int i;
OPENSSL_LH_NODE *a, *n;
if (lh == NULL)
return;
for (i = lh->num_nodes - 1; i >= 0; i--) {
a = lh->b[i];
while (a != NULL) {
n = a->next;
if (use_arg)
func_arg(a->data, arg);
else
func(a->data);
a = n;
}
}
} | https://github.com/openssl/openssl/blob/2a7de0fd5d9baf946ef4d2c51096b04dd47a8143/crypto/lhash/lhash.c/#L164 |
d2a_code_data_41961 | int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *x, int vfy)
{
int rv, start_idx, i;
if (x == NULL) {
x = sk_X509_value(sk, 0);
start_idx = 1;
} else
start_idx = 0;
rv = ssl_security_cert(s, NULL, x, vfy, 1);
if (rv != 1)
return rv;
for (i = start_idx; i < sk_X509_num(sk); i++) {
x = sk_X509_value(sk, i);
rv = ssl_security_cert(s, NULL, x, vfy, 0);
if (rv != 1)
return rv;
}
return 1;
} | https://github.com/openssl/openssl/blob/869d0a37cfa7cfdbd42026d2b75d14cdc64e81e0/ssl/t1_lib.c/#L4071 |
d2a_code_data_41962 | int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype,
const void *data, int len)
{
ASN1_TYPE *ttmp;
ASN1_STRING *stmp = NULL;
int atype = 0;
if (!attr)
return 0;
if (attrtype & MBSTRING_FLAG) {
stmp = ASN1_STRING_set_by_NID(NULL, data, len, attrtype,
OBJ_obj2nid(attr->object));
if (!stmp) {
X509err(X509_F_X509_ATTRIBUTE_SET1_DATA, ERR_R_ASN1_LIB);
return 0;
}
atype = stmp->type;
} else if (len != -1) {
if ((stmp = ASN1_STRING_type_new(attrtype)) == NULL)
goto err;
if (!ASN1_STRING_set(stmp, data, len))
goto err;
atype = attrtype;
}
if (attrtype == 0)
return 1;
if ((ttmp = ASN1_TYPE_new()) == NULL)
goto err;
if ((len == -1) && !(attrtype & MBSTRING_FLAG)) {
if (!ASN1_TYPE_set1(ttmp, attrtype, data))
goto err;
} else
ASN1_TYPE_set(ttmp, atype, stmp);
if (!sk_ASN1_TYPE_push(attr->set, ttmp))
goto err;
return 1;
err:
X509err(X509_F_X509_ATTRIBUTE_SET1_DATA, ERR_R_MALLOC_FAILURE);
return 0;
} | https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/crypto/x509/x509_att.c/#L324 |
d2a_code_data_41963 | int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
{
int i, nw, lb, rb;
BN_ULONG *t, *f;
BN_ULONG l;
bn_check_top(r);
bn_check_top(a);
if (n < 0) {
BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT);
return 0;
}
r->neg = a->neg;
nw = n / BN_BITS2;
if (bn_wexpand(r, a->top + nw + 1) == NULL)
return (0);
lb = n % BN_BITS2;
rb = BN_BITS2 - lb;
f = a->d;
t = r->d;
t[a->top + nw] = 0;
if (lb == 0)
for (i = a->top - 1; i >= 0; i--)
t[nw + i] = f[i];
else
for (i = a->top - 1; i >= 0; i--) {
l = f[i];
t[nw + i + 1] |= (l >> rb) & BN_MASK2;
t[nw + i] = (l << lb) & BN_MASK2;
}
memset(t, 0, sizeof(*t) * nw);
r->top = a->top + nw + 1;
bn_correct_top(r);
bn_check_top(r);
return (1);
} | https://github.com/openssl/openssl/blob/0282aeb690d63fab73a07191b63300a2fe30d212/crypto/bn/bn_shift.c/#L113 |
d2a_code_data_41964 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/fff684168c7923aa85e6b4381d71d933396e32b0/crypto/bn/bn_ctx.c/#L268 |
d2a_code_data_41965 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
bn_check_top(b);
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return NULL;
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return NULL;
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | https://github.com/openssl/openssl/blob/49cd47eaababc8c57871b929080fc1357e2ad7b8/crypto/bn/bn_lib.c/#L233 |
d2a_code_data_41966 | static void dct32(INTFLOAT *out, const INTFLOAT *tab)
{
INTFLOAT tmp0, tmp1;
INTFLOAT val0 , val1 , val2 , val3 , val4 , val5 , val6 , val7 ,
val8 , val9 , val10, val11, val12, val13, val14, val15,
val16, val17, val18, val19, val20, val21, val22, val23,
val24, val25, val26, val27, val28, val29, val30, val31;
BF0( 0, 31, COS0_0 , 1);
BF0(15, 16, COS0_15, 5);
BF( 0, 15, COS1_0 , 1);
BF(16, 31,-COS1_0 , 1);
BF0( 7, 24, COS0_7 , 1);
BF0( 8, 23, COS0_8 , 1);
BF( 7, 8, COS1_7 , 4);
BF(23, 24,-COS1_7 , 4);
BF( 0, 7, COS2_0 , 1);
BF( 8, 15,-COS2_0 , 1);
BF(16, 23, COS2_0 , 1);
BF(24, 31,-COS2_0 , 1);
BF0( 3, 28, COS0_3 , 1);
BF0(12, 19, COS0_12, 2);
BF( 3, 12, COS1_3 , 1);
BF(19, 28,-COS1_3 , 1);
BF0( 4, 27, COS0_4 , 1);
BF0(11, 20, COS0_11, 2);
BF( 4, 11, COS1_4 , 1);
BF(20, 27,-COS1_4 , 1);
BF( 3, 4, COS2_3 , 3);
BF(11, 12,-COS2_3 , 3);
BF(19, 20, COS2_3 , 3);
BF(27, 28,-COS2_3 , 3);
BF( 0, 3, COS3_0 , 1);
BF( 4, 7,-COS3_0 , 1);
BF( 8, 11, COS3_0 , 1);
BF(12, 15,-COS3_0 , 1);
BF(16, 19, COS3_0 , 1);
BF(20, 23,-COS3_0 , 1);
BF(24, 27, COS3_0 , 1);
BF(28, 31,-COS3_0 , 1);
BF0( 1, 30, COS0_1 , 1);
BF0(14, 17, COS0_14, 3);
BF( 1, 14, COS1_1 , 1);
BF(17, 30,-COS1_1 , 1);
BF0( 6, 25, COS0_6 , 1);
BF0( 9, 22, COS0_9 , 1);
BF( 6, 9, COS1_6 , 2);
BF(22, 25,-COS1_6 , 2);
BF( 1, 6, COS2_1 , 1);
BF( 9, 14,-COS2_1 , 1);
BF(17, 22, COS2_1 , 1);
BF(25, 30,-COS2_1 , 1);
BF0( 2, 29, COS0_2 , 1);
BF0(13, 18, COS0_13, 3);
BF( 2, 13, COS1_2 , 1);
BF(18, 29,-COS1_2 , 1);
BF0( 5, 26, COS0_5 , 1);
BF0(10, 21, COS0_10, 1);
BF( 5, 10, COS1_5 , 2);
BF(21, 26,-COS1_5 , 2);
BF( 2, 5, COS2_2 , 1);
BF(10, 13,-COS2_2 , 1);
BF(18, 21, COS2_2 , 1);
BF(26, 29,-COS2_2 , 1);
BF( 1, 2, COS3_1 , 2);
BF( 5, 6,-COS3_1 , 2);
BF( 9, 10, COS3_1 , 2);
BF(13, 14,-COS3_1 , 2);
BF(17, 18, COS3_1 , 2);
BF(21, 22,-COS3_1 , 2);
BF(25, 26, COS3_1 , 2);
BF(29, 30,-COS3_1 , 2);
BF1( 0, 1, 2, 3);
BF2( 4, 5, 6, 7);
BF1( 8, 9, 10, 11);
BF2(12, 13, 14, 15);
BF1(16, 17, 18, 19);
BF2(20, 21, 22, 23);
BF1(24, 25, 26, 27);
BF2(28, 29, 30, 31);
ADD( 8, 12);
ADD(12, 10);
ADD(10, 14);
ADD(14, 9);
ADD( 9, 13);
ADD(13, 11);
ADD(11, 15);
out[ 0] = val0;
out[16] = val1;
out[ 8] = val2;
out[24] = val3;
out[ 4] = val4;
out[20] = val5;
out[12] = val6;
out[28] = val7;
out[ 2] = val8;
out[18] = val9;
out[10] = val10;
out[26] = val11;
out[ 6] = val12;
out[22] = val13;
out[14] = val14;
out[30] = val15;
ADD(24, 28);
ADD(28, 26);
ADD(26, 30);
ADD(30, 25);
ADD(25, 29);
ADD(29, 27);
ADD(27, 31);
out[ 1] = val16 + val24;
out[17] = val17 + val25;
out[ 9] = val18 + val26;
out[25] = val19 + val27;
out[ 5] = val20 + val28;
out[21] = val21 + val29;
out[13] = val22 + val30;
out[29] = val23 + val31;
out[ 3] = val24 + val20;
out[19] = val25 + val21;
out[11] = val26 + val22;
out[27] = val27 + val23;
out[ 7] = val28 + val18;
out[23] = val29 + val19;
out[15] = val30 + val17;
out[31] = val31;
} | https://github.com/libav/libav/blob/63e8d9760f23a4edf81e9ae58c4f6d3baa6ff4dd/libavcodec/dct32.c/#L263 |
d2a_code_data_41967 | static int
JPEGFixupTagsSubsamplingReadByte(struct JPEGFixupTagsSubsamplingData* data, uint8* result)
{
if (data->bufferbytesleft==0)
{
uint32 m;
if (data->filebytesleft==0)
return(0);
if (!data->filepositioned)
{
TIFFSeekFile(data->tif,data->fileoffset,SEEK_SET);
data->filepositioned=1;
}
m=data->buffersize;
if ((uint64)m>data->filebytesleft)
m=(uint32)data->filebytesleft;
assert(m<0x80000000UL);
if (TIFFReadFile(data->tif,data->buffer,(tmsize_t)m)!=(tmsize_t)m)
return(0);
data->buffercurrentbyte=data->buffer;
data->bufferbytesleft=m;
data->fileoffset+=m;
data->filebytesleft-=m;
}
*result=*data->buffercurrentbyte;
data->buffercurrentbyte++;
data->bufferbytesleft--;
return(1);
} | https://gitlab.com/libtiff/libtiff/blob/771a4ea0a98c7a218c9f3add9a05e08d29625758/libtiff/tif_jpeg.c/#L877 |
d2a_code_data_41968 | static int t_fromb64(unsigned char *a, size_t alen, const char *src)
{
char *loc;
int i, j;
int size;
while (*src && (*src == ' ' || *src == '\t' || *src == '\n'))
++src;
size = strlen(src);
if (alen > INT_MAX || size > (int)alen)
return -1;
i = 0;
while (i < size) {
loc = strchr(b64table, src[i]);
if (loc == (char *)0)
break;
else
a[i] = loc - b64table;
++i;
}
if (i == 0)
return 0;
size = i;
i = size - 1;
j = size;
while (1) {
a[j] = a[i];
if (--i < 0)
break;
a[j] |= (a[i] & 3) << 6;
--j;
a[j] = (unsigned char)((a[i] & 0x3c) >> 2);
if (--i < 0)
break;
a[j] |= (a[i] & 0xf) << 4;
--j;
a[j] = (unsigned char)((a[i] & 0x30) >> 4);
if (--i < 0)
break;
a[j] |= (a[i] << 2);
a[--j] = 0;
if (--i < 0)
break;
}
while (a[j] == 0 && j <= size)
++j;
i = 0;
while (j <= size)
a[i++] = a[j++];
return i;
} | https://github.com/openssl/openssl/blob/9dd4ac8cf17f2afd636e85ae0111d1df4104a475/crypto/srp/srp_vfy.c/#L80 |
d2a_code_data_41969 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return NULL;
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return NULL;
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | https://github.com/openssl/openssl/blob/4cc968df403ed9321d0df722aba33323ae575ce0/crypto/bn/bn_lib.c/#L232 |
d2a_code_data_41970 | void idea_set_encrypt_key(const unsigned char *key, IDEA_KEY_SCHEDULE *ks)
#ifdef OPENSSL_FIPS
{
fips_cipher_abort(IDEA);
private_idea_set_encrypt_key(key, ks);
}
void private_idea_set_encrypt_key(const unsigned char *key, IDEA_KEY_SCHEDULE *ks)
#endif
{
int i;
register IDEA_INT *kt,*kf,r0,r1,r2;
kt= &(ks->data[0][0]);
n2s(key,kt[0]); n2s(key,kt[1]); n2s(key,kt[2]); n2s(key,kt[3]);
n2s(key,kt[4]); n2s(key,kt[5]); n2s(key,kt[6]); n2s(key,kt[7]);
kf=kt;
kt+=8;
for (i=0; i<6; i++)
{
r2= kf[1];
r1= kf[2];
*(kt++)= ((r2<<9) | (r1>>7))&0xffff;
r0= kf[3];
*(kt++)= ((r1<<9) | (r0>>7))&0xffff;
r1= kf[4];
*(kt++)= ((r0<<9) | (r1>>7))&0xffff;
r0= kf[5];
*(kt++)= ((r1<<9) | (r0>>7))&0xffff;
r1= kf[6];
*(kt++)= ((r0<<9) | (r1>>7))&0xffff;
r0= kf[7];
*(kt++)= ((r1<<9) | (r0>>7))&0xffff;
r1= kf[0];
if (i >= 5) break;
*(kt++)= ((r0<<9) | (r1>>7))&0xffff;
*(kt++)= ((r1<<9) | (r2>>7))&0xffff;
kf+=8;
}
} | https://github.com/openssl/openssl/blob/4af793036f6ef4f0a1078e5d7155426a98d50e37/crypto/idea/i_skey.c/#L95 |
d2a_code_data_41971 | static void decode_plane(FFV1Context *s, uint8_t *src, int w, int h, int stride, int plane_index){
int x, y;
int_fast16_t sample_buffer[2][w+6];
int_fast16_t *sample[2]= {sample_buffer[0]+3, sample_buffer[1]+3};
s->run_index=0;
memset(sample_buffer, 0, sizeof(sample_buffer));
for(y=0; y<h; y++){
int_fast16_t *temp= sample[0];
sample[0]= sample[1];
sample[1]= temp;
sample[1][-1]= sample[0][0 ];
sample[0][ w]= sample[0][w-1];
decode_line(s, w, sample, plane_index, 8);
for(x=0; x<w; x++){
src[x + stride*y]= sample[1][x];
}
}
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/ffv1.c/#L783 |
d2a_code_data_41972 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/18e1e302452e6dea4500b6f981cee7e151294dea/crypto/bn/bn_ctx.c/#L268 |
d2a_code_data_41973 | ngx_int_t
ngx_hash_add_key(ngx_hash_keys_arrays_t *ha, ngx_str_t *key, void *value,
ngx_uint_t flags)
{
size_t len;
u_char *p;
ngx_str_t *name;
ngx_uint_t i, k, n, skip, last;
ngx_array_t *keys, *hwc;
ngx_hash_key_t *hk;
last = key->len;
if (flags & NGX_HASH_WILDCARD_KEY) {
n = 0;
for (i = 0; i < key->len; i++) {
if (key->data[i] == '*') {
if (++n > 1) {
return NGX_DECLINED;
}
}
if (key->data[i] == '.' && key->data[i + 1] == '.') {
return NGX_DECLINED;
}
if (key->data[i] == '\0') {
return NGX_DECLINED;
}
}
if (key->len > 1 && key->data[0] == '.') {
skip = 1;
goto wildcard;
}
if (key->len > 2) {
if (key->data[0] == '*' && key->data[1] == '.') {
skip = 2;
goto wildcard;
}
if (key->data[i - 2] == '.' && key->data[i - 1] == '*') {
skip = 0;
last -= 2;
goto wildcard;
}
}
if (n) {
return NGX_DECLINED;
}
}
k = 0;
for (i = 0; i < last; i++) {
if (!(flags & NGX_HASH_READONLY_KEY)) {
key->data[i] = ngx_tolower(key->data[i]);
}
k = ngx_hash(k, key->data[i]);
}
k %= ha->hsize;
name = ha->keys_hash[k].elts;
if (name) {
for (i = 0; i < ha->keys_hash[k].nelts; i++) {
if (last != name[i].len) {
continue;
}
if (ngx_strncmp(key->data, name[i].data, last) == 0) {
return NGX_BUSY;
}
}
} else {
if (ngx_array_init(&ha->keys_hash[k], ha->temp_pool, 4,
sizeof(ngx_str_t))
!= NGX_OK)
{
return NGX_ERROR;
}
}
name = ngx_array_push(&ha->keys_hash[k]);
if (name == NULL) {
return NGX_ERROR;
}
*name = *key;
hk = ngx_array_push(&ha->keys);
if (hk == NULL) {
return NGX_ERROR;
}
hk->key = *key;
hk->key_hash = ngx_hash_key(key->data, last);
hk->value = value;
return NGX_OK;
wildcard:
k = ngx_hash_strlow(&key->data[skip], &key->data[skip], last - skip);
k %= ha->hsize;
if (skip == 1) {
name = ha->keys_hash[k].elts;
if (name) {
len = last - skip;
for (i = 0; i < ha->keys_hash[k].nelts; i++) {
if (len != name[i].len) {
continue;
}
if (ngx_strncmp(&key->data[1], name[i].data, len) == 0) {
return NGX_BUSY;
}
}
} else {
if (ngx_array_init(&ha->keys_hash[k], ha->temp_pool, 4,
sizeof(ngx_str_t))
!= NGX_OK)
{
return NGX_ERROR;
}
}
name = ngx_array_push(&ha->keys_hash[k]);
if (name == NULL) {
return NGX_ERROR;
}
name->len = last - 1;
name->data = ngx_pnalloc(ha->temp_pool, name->len);
if (name->data == NULL) {
return NGX_ERROR;
}
ngx_memcpy(name->data, &key->data[1], name->len);
}
if (skip) {
p = ngx_pnalloc(ha->temp_pool, last);
if (p == NULL) {
return NGX_ERROR;
}
len = 0;
n = 0;
for (i = last - 1; i; i--) {
if (key->data[i] == '.') {
ngx_memcpy(&p[n], &key->data[i + 1], len);
n += len;
p[n++] = '.';
len = 0;
continue;
}
len++;
}
if (len) {
ngx_memcpy(&p[n], &key->data[1], len);
n += len;
}
p[n] = '\0';
hwc = &ha->dns_wc_head;
keys = &ha->dns_wc_head_hash[k];
} else {
last++;
p = ngx_pnalloc(ha->temp_pool, last);
if (p == NULL) {
return NGX_ERROR;
}
ngx_cpystrn(p, key->data, last);
hwc = &ha->dns_wc_tail;
keys = &ha->dns_wc_tail_hash[k];
}
name = keys->elts;
if (name) {
len = last - skip;
for (i = 0; i < keys->nelts; i++) {
if (len != name[i].len) {
continue;
}
if (ngx_strncmp(key->data + skip, name[i].data, len) == 0) {
return NGX_BUSY;
}
}
} else {
if (ngx_array_init(keys, ha->temp_pool, 4, sizeof(ngx_str_t)) != NGX_OK)
{
return NGX_ERROR;
}
}
name = ngx_array_push(keys);
if (name == NULL) {
return NGX_ERROR;
}
name->len = last - skip;
name->data = ngx_pnalloc(ha->temp_pool, name->len);
if (name->data == NULL) {
return NGX_ERROR;
}
ngx_memcpy(name->data, key->data + skip, name->len);
hk = ngx_array_push(hwc);
if (hk == NULL) {
return NGX_ERROR;
}
hk->key.len = last - 1;
hk->key.data = p;
hk->key_hash = 0;
hk->value = value;
return NGX_OK;
} | https://github.com/nginx/nginx/blob/c09bba400d233331f1b405e18c6912a30502dee9/src/core/ngx_hash.c/#L972 |
d2a_code_data_41974 | void ff_mpa_synth_filter(MPA_INT *synth_buf_ptr, int *synth_buf_offset,
MPA_INT *window, int *dither_state,
OUT_INT *samples, int incr,
int32_t sb_samples[SBLIMIT])
{
int32_t tmp[32];
register MPA_INT *synth_buf;
register const MPA_INT *w, *w2, *p;
int j, offset, v;
OUT_INT *samples2;
#if FRAC_BITS <= 15
int sum, sum2;
#else
int64_t sum, sum2;
#endif
dct32(tmp, sb_samples);
offset = *synth_buf_offset;
synth_buf = synth_buf_ptr + offset;
for(j=0;j<32;j++) {
v = tmp[j];
#if FRAC_BITS <= 15
v = av_clip_int16(v);
#endif
synth_buf[j] = v;
}
memcpy(synth_buf + 512, synth_buf, 32 * sizeof(MPA_INT));
samples2 = samples + 31 * incr;
w = window;
w2 = window + 31;
sum = *dither_state;
p = synth_buf + 16;
SUM8(sum, +=, w, p);
p = synth_buf + 48;
SUM8(sum, -=, w + 32, p);
*samples = round_sample(&sum);
samples += incr;
w++;
for(j=1;j<16;j++) {
sum2 = 0;
p = synth_buf + 16 + j;
SUM8P2(sum, +=, sum2, -=, w, w2, p);
p = synth_buf + 48 - j;
SUM8P2(sum, -=, sum2, -=, w + 32, w2 + 32, p);
*samples = round_sample(&sum);
samples += incr;
sum += sum2;
*samples2 = round_sample(&sum);
samples2 -= incr;
w++;
w2--;
}
p = synth_buf + 32;
SUM8(sum, -=, w + 32, p);
*samples = round_sample(&sum);
*dither_state= sum;
offset = (offset - 32) & 511;
*synth_buf_offset = offset;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/mpegaudiodec.c/#L897 |
d2a_code_data_41975 | int ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm)
{
char *v;
int gmt = 0;
int i;
int y = 0, M = 0, d = 0, h = 0, m = 0, s = 0;
char *f = NULL;
int f_len = 0;
i = tm->length;
v = (char *)tm->data;
if (i < 12)
goto err;
if (v[i - 1] == 'Z')
gmt = 1;
for (i = 0; i < 12; i++)
if ((v[i] > '9') || (v[i] < '0'))
goto err;
y = (v[0] - '0') * 1000 + (v[1] - '0') * 100
+ (v[2] - '0') * 10 + (v[3] - '0');
M = (v[4] - '0') * 10 + (v[5] - '0');
if ((M > 12) || (M < 1))
goto err;
d = (v[6] - '0') * 10 + (v[7] - '0');
h = (v[8] - '0') * 10 + (v[9] - '0');
m = (v[10] - '0') * 10 + (v[11] - '0');
if (tm->length >= 14 &&
(v[12] >= '0') && (v[12] <= '9') &&
(v[13] >= '0') && (v[13] <= '9')) {
s = (v[12] - '0') * 10 + (v[13] - '0');
if (tm->length >= 15 && v[14] == '.') {
int l = tm->length;
f = &v[14];
f_len = 1;
while (14 + f_len < l && f[f_len] >= '0' && f[f_len] <= '9')
++f_len;
}
}
if (BIO_printf(bp, "%s %2d %02d:%02d:%02d%.*s %d%s",
_asn1_mon[M - 1], d, h, m, s, f_len, f, y,
(gmt) ? " GMT" : "") <= 0)
return (0);
else
return (1);
err:
BIO_write(bp, "Bad time value", 14);
return (0);
} | https://github.com/openssl/openssl/blob/01b7851aa27aa144372f5484da916be042d9aa4f/crypto/asn1/a_gentm.c/#L308 |
d2a_code_data_41976 | static int stream_reqbody_read(proxy_http_req_t *req, apr_bucket_brigade *bb,
int nonblocking)
{
request_rec *r = req->r;
proxy_conn_rec *p_conn = req->backend;
apr_bucket_alloc_t *bucket_alloc = req->bucket_alloc;
apr_read_type_e block = nonblocking ? APR_NONBLOCK_READ : APR_BLOCK_READ;
apr_status_t status;
int rv;
for (;;) {
status = ap_get_brigade(r->input_filters, bb, AP_MODE_READBYTES,
block, HUGE_STRING_LEN);
if (block == APR_BLOCK_READ
|| (!APR_STATUS_IS_EAGAIN(status)
&& (status != APR_SUCCESS || !APR_BRIGADE_EMPTY(bb)))) {
break;
}
apr_brigade_cleanup(bb);
rv = ap_proxy_pass_brigade(bucket_alloc, r, p_conn, req->origin, bb, 1);
if (rv != OK) {
return rv;
}
block = APR_BLOCK_READ;
}
if (status != APR_SUCCESS) {
conn_rec *c = r->connection;
ap_log_rerror(APLOG_MARK, APLOG_ERR, status, r, APLOGNO(02608)
"read request body failed to %pI (%s)"
" from %s (%s)", p_conn->addr,
p_conn->hostname ? p_conn->hostname: "",
c->client_ip, c->remote_host ? c->remote_host: "");
return ap_map_http_request_error(status, HTTP_BAD_REQUEST);
}
return OK;
} | https://github.com/apache/httpd/blob/04b4d0f94f75bdcc6338baf129b08c9c6c6ce87e/modules/proxy/mod_proxy_http.c/#L300 |
d2a_code_data_41977 | static int vc1_decode_p_mb(VC1Context *v)
{
MpegEncContext *s = &v->s;
GetBitContext *gb = &s->gb;
int i, j;
int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
int cbp;
int mqdiff, mquant;
int ttmb = v->ttfrm;
int status;
static const int size_table[6] = { 0, 2, 3, 4, 5, 8 },
offset_table[6] = { 0, 1, 3, 7, 15, 31 };
int mb_has_coeffs = 1;
int dmv_x, dmv_y;
int index, index1;
int val, sign;
int first_block = 1;
int dst_idx, off;
int skipped, fourmv;
mquant = v->pq;
if (v->mv_type_is_raw)
fourmv = get_bits1(gb);
else
fourmv = v->mv_type_mb_plane[mb_pos];
if (v->skip_is_raw)
skipped = get_bits1(gb);
else
skipped = v->s.mbskip_table[mb_pos];
s->dsp.clear_blocks(s->block[0]);
if (!fourmv)
{
if (!skipped)
{
GET_MVDATA(dmv_x, dmv_y);
if (s->mb_intra) {
s->current_picture.motion_val[1][s->block_index[0]][0] = 0;
s->current_picture.motion_val[1][s->block_index[0]][1] = 0;
}
s->current_picture.mb_type[mb_pos] = s->mb_intra ? MB_TYPE_INTRA : MB_TYPE_16x16;
vc1_pred_mv(s, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0]);
if (s->mb_intra && !mb_has_coeffs)
{
GET_MQUANT();
s->ac_pred = get_bits1(gb);
cbp = 0;
}
else if (mb_has_coeffs)
{
if (s->mb_intra) s->ac_pred = get_bits1(gb);
cbp = get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2);
GET_MQUANT();
}
else
{
mquant = v->pq;
cbp = 0;
}
s->current_picture.qscale_table[mb_pos] = mquant;
if (!v->ttmbf && !s->mb_intra && mb_has_coeffs)
ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table,
VC1_TTMB_VLC_BITS, 2);
if(!s->mb_intra) vc1_mc_1mv(v, 0);
dst_idx = 0;
for (i=0; i<6; i++)
{
s->dc_val[0][s->block_index[i]] = 0;
dst_idx += i >> 2;
val = ((cbp >> (5 - i)) & 1);
off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize);
v->mb_type[0][s->block_index[i]] = s->mb_intra;
if(s->mb_intra) {
v->a_avail = v->c_avail = 0;
if(i == 2 || i == 3 || !s->first_slice_line)
v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]];
if(i == 1 || i == 3 || s->mb_x)
v->c_avail = v->mb_type[0][s->block_index[i] - 1];
vc1_decode_intra_block(v, s->block[i], i, val, mquant, (i&4)?v->codingset2:v->codingset);
if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
s->dsp.vc1_inv_trans_8x8(s->block[i]);
if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
if(v->pq >= 9 && v->overlap) {
if(v->c_avail)
s->dsp.vc1_h_overlap(s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
if(v->a_avail)
s->dsp.vc1_v_overlap(s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
}
} else if(val) {
vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block, s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize, (i&4) && (s->flags & CODEC_FLAG_GRAY));
if(!v->ttmbf && ttmb < 8) ttmb = -1;
first_block = 0;
}
}
}
else
{
s->mb_intra = 0;
for(i = 0; i < 6; i++) {
v->mb_type[0][s->block_index[i]] = 0;
s->dc_val[0][s->block_index[i]] = 0;
}
s->current_picture.mb_type[mb_pos] = MB_TYPE_SKIP;
s->current_picture.qscale_table[mb_pos] = 0;
vc1_pred_mv(s, 0, 0, 0, 1, v->range_x, v->range_y, v->mb_type[0]);
vc1_mc_1mv(v, 0);
return 0;
}
}
else
{
if (!skipped )
{
int intra_count = 0, coded_inter = 0;
int is_intra[6], is_coded[6];
cbp = get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2);
for (i=0; i<6; i++)
{
val = ((cbp >> (5 - i)) & 1);
s->dc_val[0][s->block_index[i]] = 0;
s->mb_intra = 0;
if(i < 4) {
dmv_x = dmv_y = 0;
s->mb_intra = 0;
mb_has_coeffs = 0;
if(val) {
GET_MVDATA(dmv_x, dmv_y);
}
vc1_pred_mv(s, i, dmv_x, dmv_y, 0, v->range_x, v->range_y, v->mb_type[0]);
if(!s->mb_intra) vc1_mc_4mv_luma(v, i);
intra_count += s->mb_intra;
is_intra[i] = s->mb_intra;
is_coded[i] = mb_has_coeffs;
}
if(i&4){
is_intra[i] = (intra_count >= 3);
is_coded[i] = val;
}
if(i == 4) vc1_mc_4mv_chroma(v);
v->mb_type[0][s->block_index[i]] = is_intra[i];
if(!coded_inter) coded_inter = !is_intra[i] & is_coded[i];
}
if(!intra_count && !coded_inter) return 0;
dst_idx = 0;
GET_MQUANT();
s->current_picture.qscale_table[mb_pos] = mquant;
{
int intrapred = 0;
for(i=0; i<6; i++)
if(is_intra[i]) {
if(((!s->first_slice_line || (i==2 || i==3)) && v->mb_type[0][s->block_index[i] - s->block_wrap[i]])
|| ((s->mb_x || (i==1 || i==3)) && v->mb_type[0][s->block_index[i] - 1])) {
intrapred = 1;
break;
}
}
if(intrapred)s->ac_pred = get_bits1(gb);
else s->ac_pred = 0;
}
if (!v->ttmbf && coded_inter)
ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, VC1_TTMB_VLC_BITS, 2);
for (i=0; i<6; i++)
{
dst_idx += i >> 2;
off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize);
s->mb_intra = is_intra[i];
if (is_intra[i]) {
v->a_avail = v->c_avail = 0;
if(i == 2 || i == 3 || !s->first_slice_line)
v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]];
if(i == 1 || i == 3 || s->mb_x)
v->c_avail = v->mb_type[0][s->block_index[i] - 1];
vc1_decode_intra_block(v, s->block[i], i, is_coded[i], mquant, (i&4)?v->codingset2:v->codingset);
if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
s->dsp.vc1_inv_trans_8x8(s->block[i]);
if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize);
if(v->pq >= 9 && v->overlap) {
if(v->c_avail)
s->dsp.vc1_h_overlap(s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
if(v->a_avail)
s->dsp.vc1_v_overlap(s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
}
} else if(is_coded[i]) {
status = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block, s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize, (i&4) && (s->flags & CODEC_FLAG_GRAY));
if(!v->ttmbf && ttmb < 8) ttmb = -1;
first_block = 0;
}
}
return status;
}
else
{
s->mb_intra = 0;
s->current_picture.qscale_table[mb_pos] = 0;
for (i=0; i<6; i++) {
v->mb_type[0][s->block_index[i]] = 0;
s->dc_val[0][s->block_index[i]] = 0;
}
for (i=0; i<4; i++)
{
vc1_pred_mv(s, i, 0, 0, 0, v->range_x, v->range_y, v->mb_type[0]);
vc1_mc_4mv_luma(v, i);
}
vc1_mc_4mv_chroma(v);
s->current_picture.qscale_table[mb_pos] = 0;
return 0;
}
}
return -1;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/vc1.c/#L3209 |
d2a_code_data_41978 | void ssl3_cbc_copy_mac(unsigned char *out,
const SSL3_RECORD *rec, unsigned md_size)
{
#if defined(CBC_MAC_ROTATE_IN_PLACE)
unsigned char rotated_mac_buf[64 + EVP_MAX_MD_SIZE];
unsigned char *rotated_mac;
#else
unsigned char rotated_mac[EVP_MAX_MD_SIZE];
#endif
unsigned mac_end = rec->length;
unsigned mac_start = mac_end - md_size;
unsigned scan_start = 0;
unsigned i, j;
unsigned div_spoiler;
unsigned rotate_offset;
OPENSSL_assert(rec->orig_len >= md_size);
OPENSSL_assert(md_size <= EVP_MAX_MD_SIZE);
#if defined(CBC_MAC_ROTATE_IN_PLACE)
rotated_mac = rotated_mac_buf + ((0 - (size_t)rotated_mac_buf) & 63);
#endif
if (rec->orig_len > md_size + 255 + 1)
scan_start = rec->orig_len - (md_size + 255 + 1);
div_spoiler = md_size >> 1;
div_spoiler <<= (sizeof(div_spoiler) - 1) * 8;
rotate_offset = (div_spoiler + mac_start - scan_start) % md_size;
memset(rotated_mac, 0, md_size);
for (i = scan_start, j = 0; i < rec->orig_len; i++) {
unsigned char mac_started = constant_time_ge_8(i, mac_start);
unsigned char mac_ended = constant_time_ge_8(i, mac_end);
unsigned char b = rec->data[i];
rotated_mac[j++] |= b & mac_started & ~mac_ended;
j &= constant_time_lt(j, md_size);
}
#if defined(CBC_MAC_ROTATE_IN_PLACE)
j = 0;
for (i = 0; i < md_size; i++) {
((volatile unsigned char *)rotated_mac)[rotate_offset ^ 32];
out[j++] = rotated_mac[rotate_offset++];
rotate_offset &= constant_time_lt(rotate_offset, md_size);
}
#else
memset(out, 0, md_size);
rotate_offset = md_size - rotate_offset;
rotate_offset &= constant_time_lt(rotate_offset, md_size);
for (i = 0; i < md_size; i++) {
for (j = 0; j < md_size; j++)
out[j] |= rotated_mac[i] & constant_time_eq_8(j, rotate_offset);
rotate_offset++;
rotate_offset &= constant_time_lt(rotate_offset, md_size);
}
#endif
} | https://github.com/openssl/openssl/blob/2a7de0fd5d9baf946ef4d2c51096b04dd47a8143/ssl/record/ssl3_record.c/#L1220 |
d2a_code_data_41979 | void
TIFFSwabArrayOfShort(register uint16* wp, tmsize_t n)
{
register unsigned char* cp;
register unsigned char t;
assert(sizeof(uint16)==2);
while (n-- > 0) {
cp = (unsigned char*) wp;
t = cp[1]; cp[1] = cp[0]; cp[0] = t;
wp++;
}
} | https://gitlab.com/libtiff/libtiff/blob/771a4ea0a98c7a218c9f3add9a05e08d29625758/libtiff/tif_swab.c/#L81 |
d2a_code_data_41980 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/630fe1da888490b7dfef3fe0928b813ddff5d51a/crypto/bn/bn_ctx.c/#L276 |
d2a_code_data_41981 | int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
{
assert(pkt->subs != NULL && len != 0);
if (pkt->subs == NULL || len == 0)
return 0;
if (pkt->maxsize - pkt->written < len)
return 0;
if (pkt->buf->length - pkt->written < len) {
size_t newlen;
size_t reflen;
reflen = (len > pkt->buf->length) ? len : pkt->buf->length;
if (reflen > SIZE_MAX / 2) {
newlen = SIZE_MAX;
} else {
newlen = reflen * 2;
if (newlen < DEFAULT_BUF_SIZE)
newlen = DEFAULT_BUF_SIZE;
}
if (BUF_MEM_grow(pkt->buf, newlen) == 0)
return 0;
}
*allocbytes = (unsigned char *)pkt->buf->data + pkt->curr;
pkt->written += len;
pkt->curr += len;
return 1;
} | https://github.com/openssl/openssl/blob/7507e73d409b8f3046d6efcc3f4c0b6208b59b64/ssl/packet.c/#L25 |
d2a_code_data_41982 | static int newpass_p12(PKCS12 *p12, char *oldpass, char *newpass)
{
STACK *asafes, *newsafes, *bags;
int i, bagnid, pbe_nid, pbe_iter, pbe_saltlen;
PKCS7 *p7, *p7new;
ASN1_OCTET_STRING *p12_data_tmp = NULL, *macnew = NULL;
unsigned char mac[EVP_MAX_MD_SIZE];
unsigned int maclen;
if (!(asafes = M_PKCS12_unpack_authsafes(p12))) return 0;
if(!(newsafes = sk_new(NULL))) return 0;
for (i = 0; i < sk_num (asafes); i++) {
p7 = (PKCS7 *) sk_value(asafes, i);
bagnid = OBJ_obj2nid(p7->type);
if (bagnid == NID_pkcs7_data) {
bags = M_PKCS12_unpack_p7data(p7);
} else if (bagnid == NID_pkcs7_encrypted) {
bags = M_PKCS12_unpack_p7encdata(p7, oldpass, -1);
alg_get(p7->d.encrypted->enc_data->algorithm,
&pbe_nid, &pbe_iter, &pbe_saltlen);
} else continue;
if (!bags) {
sk_pop_free(asafes, (void(*)(void *)) PKCS7_free);
return 0;
}
if (!newpass_bags(bags, oldpass, newpass)) {
sk_pop_free(bags, (void(*)(void *)) PKCS12_SAFEBAG_free);
sk_pop_free(asafes, (void(*)(void *)) PKCS7_free);
return 0;
}
if (bagnid == NID_pkcs7_data) p7new = PKCS12_pack_p7data(bags);
else p7new = PKCS12_pack_p7encdata(pbe_nid, newpass, -1, NULL,
pbe_saltlen, pbe_iter, bags);
sk_pop_free(bags, (void(*)(void *)) PKCS12_SAFEBAG_free);
if(!p7new) {
sk_pop_free(asafes, (void(*)(void *)) PKCS7_free);
return 0;
}
sk_push(newsafes, (char *)p7new);
}
sk_pop_free(asafes, (void(*)(void *)) PKCS7_free);
p12_data_tmp = p12->authsafes->d.data;
if(!(p12->authsafes->d.data = ASN1_OCTET_STRING_new())) goto saferr;
if(!M_PKCS12_pack_authsafes(p12, newsafes)) goto saferr;
if(!PKCS12_gen_mac(p12, newpass, -1, mac, &maclen)) goto saferr;
if(!(macnew = ASN1_OCTET_STRING_new())) goto saferr;
if(!ASN1_OCTET_STRING_set(macnew, mac, maclen)) goto saferr;
ASN1_OCTET_STRING_free(p12->mac->dinfo->digest);
p12->mac->dinfo->digest = macnew;
ASN1_OCTET_STRING_free(p12_data_tmp);
return 1;
saferr:
ASN1_OCTET_STRING_free(p12->authsafes->d.data);
ASN1_OCTET_STRING_free(macnew);
p12->authsafes->d.data = p12_data_tmp;
return 0;
} | https://github.com/openssl/openssl/blob/0e1c06128adbfd2d88dc304db2262140bad045fd/crypto/pkcs12/p12_npas.c/#L136 |
d2a_code_data_41983 | int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
{
assert(pkt->subs != NULL && len != 0);
if (pkt->subs == NULL || len == 0)
return 0;
if (pkt->maxsize - pkt->written < len)
return 0;
if (pkt->buf->length - pkt->written < len) {
size_t newlen;
size_t reflen;
reflen = (len > pkt->buf->length) ? len : pkt->buf->length;
if (reflen > SIZE_MAX / 2) {
newlen = SIZE_MAX;
} else {
newlen = reflen * 2;
if (newlen < DEFAULT_BUF_SIZE)
newlen = DEFAULT_BUF_SIZE;
}
if (BUF_MEM_grow(pkt->buf, newlen) == 0)
return 0;
}
*allocbytes = (unsigned char *)pkt->buf->data + pkt->curr;
return 1;
} | https://github.com/openssl/openssl/blob/e4e1aa903e624044d3319622fc50222f1b2c7328/ssl/packet.c/#L46 |
d2a_code_data_41984 | static int load_record(SSL3_RECORD *rec, RECORD_DATA *recd, unsigned char **key,
unsigned char *iv, size_t ivlen, unsigned char *seq)
{
unsigned char *pt = NULL, *sq = NULL, *ivtmp = NULL;
size_t ptlen;
*key = OPENSSL_hexstr2buf(recd->key, NULL);
ivtmp = OPENSSL_hexstr2buf(recd->iv, NULL);
sq = OPENSSL_hexstr2buf(recd->seq, NULL);
pt = multihexstr2buf(recd->plaintext, &ptlen);
if (*key == NULL || ivtmp == NULL || sq == NULL || pt == NULL)
goto err;
rec->data = rec->input = OPENSSL_malloc(ptlen + EVP_GCM_TLS_TAG_LEN);
if (rec->data == NULL)
goto err;
rec->length = ptlen;
memcpy(rec->data, pt, ptlen);
OPENSSL_free(pt);
memcpy(seq, sq, SEQ_NUM_SIZE);
OPENSSL_free(sq);
memcpy(iv, ivtmp, ivlen);
OPENSSL_free(ivtmp);
return 1;
err:
OPENSSL_free(*key);
*key = NULL;
OPENSSL_free(ivtmp);
OPENSSL_free(sq);
OPENSSL_free(pt);
return 0;
} | https://github.com/openssl/openssl/blob/3fd5ece39b59d938d0cc84b8e5148d19044d15cf/test/tls13encryptiontest.c/#L246 |
d2a_code_data_41985 | static int estimate_best_b_count(MpegEncContext *s)
{
AVCodec *codec = avcodec_find_encoder(s->avctx->codec_id);
AVCodecContext *c = avcodec_alloc_context3(NULL);
AVFrame input[FF_MAX_B_FRAMES + 2];
const int scale = s->avctx->brd_scale;
int i, j, out_size, p_lambda, b_lambda, lambda2;
int64_t best_rd = INT64_MAX;
int best_b_count = -1;
assert(scale >= 0 && scale <= 3);
p_lambda = s->last_lambda_for[AV_PICTURE_TYPE_P];
b_lambda = s->last_lambda_for[AV_PICTURE_TYPE_B];
if (!b_lambda)
b_lambda = p_lambda;
lambda2 = (b_lambda * b_lambda + (1 << FF_LAMBDA_SHIFT) / 2) >>
FF_LAMBDA_SHIFT;
c->width = s->width >> scale;
c->height = s->height >> scale;
c->flags = CODEC_FLAG_QSCALE | CODEC_FLAG_PSNR |
CODEC_FLAG_INPUT_PRESERVED ;
c->flags |= s->avctx->flags & CODEC_FLAG_QPEL;
c->mb_decision = s->avctx->mb_decision;
c->me_cmp = s->avctx->me_cmp;
c->mb_cmp = s->avctx->mb_cmp;
c->me_sub_cmp = s->avctx->me_sub_cmp;
c->pix_fmt = AV_PIX_FMT_YUV420P;
c->time_base = s->avctx->time_base;
c->max_b_frames = s->max_b_frames;
if (avcodec_open2(c, codec, NULL) < 0)
return -1;
for (i = 0; i < s->max_b_frames + 2; i++) {
int ysize = c->width * c->height;
int csize = (c->width / 2) * (c->height / 2);
Picture pre_input, *pre_input_ptr = i ? s->input_picture[i - 1] :
s->next_picture_ptr;
avcodec_get_frame_defaults(&input[i]);
input[i].data[0] = av_malloc(ysize + 2 * csize);
input[i].data[1] = input[i].data[0] + ysize;
input[i].data[2] = input[i].data[1] + csize;
input[i].linesize[0] = c->width;
input[i].linesize[1] =
input[i].linesize[2] = c->width / 2;
if (pre_input_ptr && (!i || s->input_picture[i - 1])) {
pre_input = *pre_input_ptr;
if (!pre_input.shared && i) {
pre_input.f.data[0] += INPLACE_OFFSET;
pre_input.f.data[1] += INPLACE_OFFSET;
pre_input.f.data[2] += INPLACE_OFFSET;
}
s->dsp.shrink[scale](input[i].data[0], input[i].linesize[0],
pre_input.f.data[0], pre_input.f.linesize[0],
c->width, c->height);
s->dsp.shrink[scale](input[i].data[1], input[i].linesize[1],
pre_input.f.data[1], pre_input.f.linesize[1],
c->width >> 1, c->height >> 1);
s->dsp.shrink[scale](input[i].data[2], input[i].linesize[2],
pre_input.f.data[2], pre_input.f.linesize[2],
c->width >> 1, c->height >> 1);
}
}
for (j = 0; j < s->max_b_frames + 1; j++) {
int64_t rd = 0;
if (!s->input_picture[j])
break;
c->error[0] = c->error[1] = c->error[2] = 0;
input[0].pict_type = AV_PICTURE_TYPE_I;
input[0].quality = 1 * FF_QP2LAMBDA;
out_size = encode_frame(c, &input[0]);
for (i = 0; i < s->max_b_frames + 1; i++) {
int is_p = i % (j + 1) == j || i == s->max_b_frames;
input[i + 1].pict_type = is_p ?
AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_B;
input[i + 1].quality = is_p ? p_lambda : b_lambda;
out_size = encode_frame(c, &input[i + 1]);
rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
}
while (out_size) {
out_size = encode_frame(c, NULL);
rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
}
rd += c->error[0] + c->error[1] + c->error[2];
if (rd < best_rd) {
best_rd = rd;
best_b_count = j;
}
}
avcodec_close(c);
av_freep(&c);
for (i = 0; i < s->max_b_frames + 2; i++) {
av_freep(&input[i].data[0]);
}
return best_b_count;
} | https://github.com/libav/libav/blob/2eaa3663fda750dac66d41fe8541a8744d5563a4/libavcodec/mpegvideo_enc.c/#L1050 |
d2a_code_data_41986 | ngx_int_t
ngx_atoi(u_char *line, size_t n)
{
ngx_int_t value, cutoff, cutlim;
if (n == 0) {
return NGX_ERROR;
}
cutoff = NGX_MAX_INT_T_VALUE / 10;
cutlim = NGX_MAX_INT_T_VALUE % 10;
for (value = 0; n--; line++) {
if (*line < '0' || *line > '9') {
return NGX_ERROR;
}
if (value >= cutoff && (value > cutoff || *line - '0' > cutlim)) {
return NGX_ERROR;
}
value = value * 10 + (*line - '0');
}
return value;
} | https://github.com/nginx/nginx/blob/cb173ff6722635188546ce7dd8f2a737050d82d5/src/core/ngx_string.c/#L922 |
d2a_code_data_41987 | static void unpack_input(const unsigned char *input, unsigned int *output)
{
unsigned int outbuffer[28];
unsigned short inbuffer[10];
unsigned int x;
unsigned int *ptr;
for (x=0;x<20;x+=2)
inbuffer[x/2]=(input[x]<<8)+input[x+1];
ptr=outbuffer;
*(ptr++)=27;
*(ptr++)=(inbuffer[0]>>10)&0x3f;
*(ptr++)=(inbuffer[0]>>5)&0x1f;
*(ptr++)=inbuffer[0]&0x1f;
*(ptr++)=(inbuffer[1]>>12)&0xf;
*(ptr++)=(inbuffer[1]>>8)&0xf;
*(ptr++)=(inbuffer[1]>>5)&7;
*(ptr++)=(inbuffer[1]>>2)&7;
*(ptr++)=((inbuffer[1]<<1)&6)|((inbuffer[2]>>15)&1);
*(ptr++)=(inbuffer[2]>>12)&7;
*(ptr++)=(inbuffer[2]>>10)&3;
*(ptr++)=(inbuffer[2]>>5)&0x1f;
*(ptr++)=((inbuffer[2]<<2)&0x7c)|((inbuffer[3]>>14)&3);
*(ptr++)=(inbuffer[3]>>6)&0xff;
*(ptr++)=((inbuffer[3]<<1)&0x7e)|((inbuffer[4]>>15)&1);
*(ptr++)=(inbuffer[4]>>8)&0x7f;
*(ptr++)=(inbuffer[4]>>1)&0x7f;
*(ptr++)=((inbuffer[4]<<7)&0x80)|((inbuffer[5]>>9)&0x7f);
*(ptr++)=(inbuffer[5]>>2)&0x7f;
*(ptr++)=((inbuffer[5]<<5)&0x60)|((inbuffer[6]>>11)&0x1f);
*(ptr++)=(inbuffer[6]>>4)&0x7f;
*(ptr++)=((inbuffer[6]<<4)&0xf0)|((inbuffer[7]>>12)&0xf);
*(ptr++)=(inbuffer[7]>>5)&0x7f;
*(ptr++)=((inbuffer[7]<<2)&0x7c)|((inbuffer[8]>>14)&3);
*(ptr++)=(inbuffer[8]>>7)&0x7f;
*(ptr++)=((inbuffer[8]<<1)&0xfe)|((inbuffer[9]>>15)&1);
*(ptr++)=(inbuffer[9]>>8)&0x7f;
*(ptr++)=(inbuffer[9]>>1)&0x7f;
*(output++)=outbuffer[11];
for (x=1;x<11;*(output++)=outbuffer[x++]);
ptr=outbuffer+12;
for (x=0;x<16;x+=4)
{
*(output++)=ptr[x];
*(output++)=ptr[x+2];
*(output++)=ptr[x+3];
*(output++)=ptr[x+1];
}
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/ra144.c/#L292 |
d2a_code_data_41988 | int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
{
assert(pkt->subs != NULL && len != 0);
if (pkt->subs == NULL || len == 0)
return 0;
if (pkt->maxsize - pkt->written < len)
return 0;
if (pkt->buf->length - pkt->written < len) {
size_t newlen;
size_t reflen;
reflen = (len > pkt->buf->length) ? len : pkt->buf->length;
if (reflen > SIZE_MAX / 2) {
newlen = SIZE_MAX;
} else {
newlen = reflen * 2;
if (newlen < DEFAULT_BUF_SIZE)
newlen = DEFAULT_BUF_SIZE;
}
if (BUF_MEM_grow(pkt->buf, newlen) == 0)
return 0;
}
*allocbytes = (unsigned char *)pkt->buf->data + pkt->curr;
return 1;
} | https://github.com/openssl/openssl/blob/6438632420cee9821409221ef6717edc5ee408c1/ssl/packet.c/#L46 |
d2a_code_data_41989 | int test_kron(BIO *bp, BN_CTX *ctx)
{
BN_GENCB cb;
BIGNUM *a, *b, *r, *t;
int i;
int legendre, kronecker;
int ret = 0;
a = BN_new();
b = BN_new();
r = BN_new();
t = BN_new();
if (a == NULL || b == NULL || r == NULL || t == NULL)
goto err;
BN_GENCB_set(&cb, genprime_cb, NULL);
if (!BN_generate_prime_ex(b, 512, 0, NULL, NULL, &cb))
goto err;
b->neg = rand_neg();
putc('\n', stderr);
for (i = 0; i < num0; i++) {
if (!BN_bntest_rand(a, 512, 0, 0))
goto err;
a->neg = rand_neg();
if (!BN_copy(t, b))
goto err;
t->neg = 0;
if (!BN_sub_word(t, 1))
goto err;
if (!BN_rshift1(t, t))
goto err;
b->neg = 0;
if (!BN_mod_exp_recp(r, a, t, b, ctx))
goto err;
b->neg = 1;
if (BN_is_word(r, 1))
legendre = 1;
else if (BN_is_zero(r))
legendre = 0;
else {
if (!BN_add_word(r, 1))
goto err;
if (0 != BN_ucmp(r, b)) {
fprintf(stderr, "Legendre symbol computation failed\n");
goto err;
}
legendre = -1;
}
kronecker = BN_kronecker(a, b, ctx);
if (kronecker < -1)
goto err;
if (a->neg && b->neg)
kronecker = -kronecker;
if (legendre != kronecker) {
fprintf(stderr, "legendre != kronecker; a = ");
BN_print_fp(stderr, a);
fprintf(stderr, ", b = ");
BN_print_fp(stderr, b);
fprintf(stderr, "\n");
goto err;
}
putc('.', stderr);
fflush(stderr);
}
putc('\n', stderr);
fflush(stderr);
ret = 1;
err:
BN_free(a);
BN_free(b);
BN_free(r);
BN_free(t);
return ret;
} | https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/test/bntest.c/#L1745 |
d2a_code_data_41990 | void BF_set_key(BF_KEY *key, int len, const unsigned char *data)
#ifdef OPENSSL_FIPS
{
fips_cipher_abort(BLOWFISH);
private_BF_set_key(key, len, data);
}
void private_BF_set_key(BF_KEY *key, int len, const unsigned char *data)
#endif
{
int i;
BF_LONG *p,ri,in[2];
const unsigned char *d,*end;
memcpy(key,&bf_init,sizeof(BF_KEY));
p=key->P;
if (len > ((BF_ROUNDS+2)*4)) len=(BF_ROUNDS+2)*4;
d=data;
end= &(data[len]);
for (i=0; i<(BF_ROUNDS+2); i++)
{
ri= *(d++);
if (d >= end) d=data;
ri<<=8;
ri|= *(d++);
if (d >= end) d=data;
ri<<=8;
ri|= *(d++);
if (d >= end) d=data;
ri<<=8;
ri|= *(d++);
if (d >= end) d=data;
p[i]^=ri;
}
in[0]=0L;
in[1]=0L;
for (i=0; i<(BF_ROUNDS+2); i+=2)
{
BF_encrypt(in,key);
p[i ]=in[0];
p[i+1]=in[1];
}
p=key->S;
for (i=0; i<4*256; i+=2)
{
BF_encrypt(in,key);
p[i ]=in[0];
p[i+1]=in[1];
}
} | https://github.com/openssl/openssl/blob/4af793036f6ef4f0a1078e5d7155426a98d50e37/crypto/bf/bf_skey.c/#L89 |
d2a_code_data_41991 | void curve448_scalar_halve(curve448_scalar_t out, const curve448_scalar_t a)
{
c448_word_t mask = 0 - (a->limb[0] & 1);
c448_dword_t chain = 0;
unsigned int i;
for (i = 0; i < C448_SCALAR_LIMBS; i++) {
chain = (chain + a->limb[i]) + (sc_p->limb[i] & mask);
out->limb[i] = (c448_word_t)chain;
chain >>= C448_WORD_BITS;
}
for (i = 0; i < C448_SCALAR_LIMBS - 1; i++)
out->limb[i] = out->limb[i] >> 1 | out->limb[i + 1] << (WBITS - 1);
out->limb[i] = out->limb[i] >> 1 | (c448_word_t)(chain << (WBITS - 1));
} | https://github.com/openssl/openssl/blob/0cdcdacc337005e08a906b2e07d4e44e3ee48138/crypto/ec/curve448/scalar.c/#L224 |
d2a_code_data_41992 | void
TIFFReverseBits(uint8* cp, tmsize_t n)
{
for (; n > 8; n -= 8) {
cp[0] = TIFFBitRevTable[cp[0]];
cp[1] = TIFFBitRevTable[cp[1]];
cp[2] = TIFFBitRevTable[cp[2]];
cp[3] = TIFFBitRevTable[cp[3]];
cp[4] = TIFFBitRevTable[cp[4]];
cp[5] = TIFFBitRevTable[cp[5]];
cp[6] = TIFFBitRevTable[cp[6]];
cp[7] = TIFFBitRevTable[cp[7]];
cp += 8;
}
while (n-- > 0)
*cp = TIFFBitRevTable[*cp], cp++;
} | https://gitlab.com/libtiff/libtiff/blob/771a4ea0a98c7a218c9f3add9a05e08d29625758/libtiff/tif_swab.c/#L296 |
d2a_code_data_41993 | static av_always_inline int cmp(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
const int size, const int h, int ref_index, int src_index,
me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
MotionEstContext * const c= &s->me;
const int stride= c->stride;
const int uvstride= c->uvstride;
const int qpel= flags&FLAG_QPEL;
const int chroma= flags&FLAG_CHROMA;
const int dxy= subx + (suby<<(1+qpel));
const int hx= subx + (x<<(1+qpel));
const int hy= suby + (y<<(1+qpel));
uint8_t * const * const ref= c->ref[ref_index];
uint8_t * const * const src= c->src[src_index];
int d;
if(flags&FLAG_DIRECT){
assert(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1));
if(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)){
const int time_pp= s->pp_time;
const int time_pb= s->pb_time;
const int mask= 2*qpel+1;
if(s->mv_type==MV_TYPE_8X8){
int i;
for(i=0; i<4; i++){
int fx = c->direct_basis_mv[i][0] + hx;
int fy = c->direct_basis_mv[i][1] + hy;
int bx = hx ? fx - c->co_located_mv[i][0] : c->co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(qpel+4));
int by = hy ? fy - c->co_located_mv[i][1] : c->co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(qpel+4));
int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
uint8_t *dst= c->temp + 8*(i&1) + 8*stride*(i>>1);
if(qpel){
c->qpel_put[1][fxy](dst, ref[0] + (fx>>2) + (fy>>2)*stride, stride);
c->qpel_avg[1][bxy](dst, ref[8] + (bx>>2) + (by>>2)*stride, stride);
}else{
c->hpel_put[1][fxy](dst, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 8);
c->hpel_avg[1][bxy](dst, ref[8] + (bx>>1) + (by>>1)*stride, stride, 8);
}
}
}else{
int fx = c->direct_basis_mv[0][0] + hx;
int fy = c->direct_basis_mv[0][1] + hy;
int bx = hx ? fx - c->co_located_mv[0][0] : (c->co_located_mv[0][0]*(time_pb - time_pp)/time_pp);
int by = hy ? fy - c->co_located_mv[0][1] : (c->co_located_mv[0][1]*(time_pb - time_pp)/time_pp);
int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
if(qpel){
c->qpel_put[1][fxy](c->temp , ref[0] + (fx>>2) + (fy>>2)*stride , stride);
c->qpel_put[1][fxy](c->temp + 8 , ref[0] + (fx>>2) + (fy>>2)*stride + 8 , stride);
c->qpel_put[1][fxy](c->temp + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8*stride, stride);
c->qpel_put[1][fxy](c->temp + 8 + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8 + 8*stride, stride);
c->qpel_avg[1][bxy](c->temp , ref[8] + (bx>>2) + (by>>2)*stride , stride);
c->qpel_avg[1][bxy](c->temp + 8 , ref[8] + (bx>>2) + (by>>2)*stride + 8 , stride);
c->qpel_avg[1][bxy](c->temp + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8*stride, stride);
c->qpel_avg[1][bxy](c->temp + 8 + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8 + 8*stride, stride);
}else{
assert((fx>>1) + 16*s->mb_x >= -16);
assert((fy>>1) + 16*s->mb_y >= -16);
assert((fx>>1) + 16*s->mb_x <= s->width);
assert((fy>>1) + 16*s->mb_y <= s->height);
assert((bx>>1) + 16*s->mb_x >= -16);
assert((by>>1) + 16*s->mb_y >= -16);
assert((bx>>1) + 16*s->mb_x <= s->width);
assert((by>>1) + 16*s->mb_y <= s->height);
c->hpel_put[0][fxy](c->temp, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 16);
c->hpel_avg[0][bxy](c->temp, ref[8] + (bx>>1) + (by>>1)*stride, stride, 16);
}
}
d = cmp_func(s, c->temp, src[0], stride, 16);
}else
d= 256*256*256*32;
}else{
int uvdxy;
if(dxy){
if(qpel){
c->qpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride);
if(chroma){
int cx= hx/2;
int cy= hy/2;
cx= (cx>>1)|(cx&1);
cy= (cy>>1)|(cy&1);
uvdxy= (cx&1) + 2*(cy&1);
}
}else{
c->hpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride, h);
if(chroma)
uvdxy= dxy | (x&1) | (2*(y&1));
}
d = cmp_func(s, c->temp, src[0], stride, h);
}else{
d = cmp_func(s, src[0], ref[0] + x + y*stride, stride, h);
if(chroma)
uvdxy= (x&1) + 2*(y&1);
}
if(chroma){
uint8_t * const uvtemp= c->temp + 16*stride;
c->hpel_put[size+1][uvdxy](uvtemp , ref[1] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
c->hpel_put[size+1][uvdxy](uvtemp+8, ref[2] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
d += chroma_cmp_func(s, uvtemp , src[1], uvstride, h>>1);
d += chroma_cmp_func(s, uvtemp+8, src[2], uvstride, h>>1);
}
}
#if 0
if(full_pel){
const int index= (((y)<<ME_MAP_SHIFT) + (x))&(ME_MAP_SIZE-1);
score_map[index]= d;
}
d += (c->mv_penalty[hx - c->pred_x] + c->mv_penalty[hy - c->pred_y])*c->penalty_factor;
#endif
return d;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est.c/#L176 |
d2a_code_data_41994 | BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
{
bn_check_top(b);
if (a == b)
return a;
if (bn_wexpand(a, b->top) == NULL)
return NULL;
if (b->top > 0)
memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);
a->top = b->top;
a->neg = b->neg;
bn_check_top(a);
return a;
} | https://github.com/openssl/openssl/blob/a8ca496ddb532d7f7dc356fd2b026697388d2384/crypto/bn/bn_lib.c/#L295 |
d2a_code_data_41995 | static int do_multi(int multi, int size_num)
{
int n;
int fd[2];
int *fds;
static char sep[] = ":";
fds = malloc(sizeof(*fds) * multi);
for (n = 0; n < multi; ++n) {
if (pipe(fd) == -1) {
BIO_printf(bio_err, "pipe failure\n");
exit(1);
}
fflush(stdout);
(void)BIO_flush(bio_err);
if (fork()) {
close(fd[1]);
fds[n] = fd[0];
} else {
close(fd[0]);
close(1);
if (dup(fd[1]) == -1) {
BIO_printf(bio_err, "dup failed\n");
exit(1);
}
close(fd[1]);
mr = 1;
usertime = 0;
free(fds);
return 0;
}
printf("Forked child %d\n", n);
}
for (n = 0; n < multi; ++n) {
FILE *f;
char buf[1024];
char *p;
f = fdopen(fds[n], "r");
while (fgets(buf, sizeof(buf), f)) {
p = strchr(buf, '\n');
if (p)
*p = '\0';
if (buf[0] != '+') {
BIO_printf(bio_err,
"Don't understand line '%s' from child %d\n", buf,
n);
continue;
}
printf("Got: %s from %d\n", buf, n);
if (strncmp(buf, "+F:", 3) == 0) {
int alg;
int j;
p = buf + 3;
alg = atoi(sstrsep(&p, sep));
sstrsep(&p, sep);
for (j = 0; j < size_num; ++j)
results[alg][j] += atof(sstrsep(&p, sep));
} else if (strncmp(buf, "+F2:", 4) == 0) {
int k;
double d;
p = buf + 4;
k = atoi(sstrsep(&p, sep));
sstrsep(&p, sep);
d = atof(sstrsep(&p, sep));
rsa_results[k][0] += d;
d = atof(sstrsep(&p, sep));
rsa_results[k][1] += d;
}
# ifndef OPENSSL_NO_DSA
else if (strncmp(buf, "+F3:", 4) == 0) {
int k;
double d;
p = buf + 4;
k = atoi(sstrsep(&p, sep));
sstrsep(&p, sep);
d = atof(sstrsep(&p, sep));
dsa_results[k][0] += d;
d = atof(sstrsep(&p, sep));
dsa_results[k][1] += d;
}
# endif
# ifndef OPENSSL_NO_EC
else if (strncmp(buf, "+F4:", 4) == 0) {
int k;
double d;
p = buf + 4;
k = atoi(sstrsep(&p, sep));
sstrsep(&p, sep);
d = atof(sstrsep(&p, sep));
ecdsa_results[k][0] += d;
d = atof(sstrsep(&p, sep));
ecdsa_results[k][1] += d;
} else if (strncmp(buf, "+F5:", 4) == 0) {
int k;
double d;
p = buf + 4;
k = atoi(sstrsep(&p, sep));
sstrsep(&p, sep);
d = atof(sstrsep(&p, sep));
ecdh_results[k][0] += d;
}
# endif
else if (strncmp(buf, "+H:", 3) == 0) {
;
} else
BIO_printf(bio_err, "Unknown type '%s' from child %d\n", buf,
n);
}
fclose(f);
}
free(fds);
return 1;
} | https://github.com/openssl/openssl/blob/dab2cd68e7cc304c9b1a4e7cee18a98711771a53/apps/speed.c/#L3135 |
d2a_code_data_41996 | static int asn1_get_length(const unsigned char **pp, int *inf, long *rl,
long max)
{
const unsigned char *p = *pp;
unsigned long ret = 0;
int i;
if (max-- < 1)
return 0;
if (*p == 0x80) {
*inf = 1;
p++;
} else {
*inf = 0;
i = *p & 0x7f;
if (*p++ & 0x80) {
if (max < i + 1)
return 0;
while (i > 0 && *p == 0) {
p++;
i--;
}
if (i > (int)sizeof(long))
return 0;
while (i > 0) {
ret <<= 8;
ret |= *p++;
i--;
}
if (ret > LONG_MAX)
return 0;
} else
ret = i;
}
*pp = p;
*rl = (long)ret;
return 1;
} | https://github.com/openssl/openssl/blob/32c6985349ba134761f75a3f61814234d096a1df/crypto/asn1/asn1_lib.c/#L131 |
d2a_code_data_41997 | static inline void shuffle_bytes_2103_c(const uint8_t *src, uint8_t *dst,
int src_size)
{
int idx = 15 - src_size;
const uint8_t *s = src - idx;
uint8_t *d = dst - idx;
for (; idx < 15; idx += 4) {
register int v = *(const uint32_t *)&s[idx], g = v & 0xff00ff00;
v &= 0xff00ff;
*(uint32_t *)&d[idx] = (v >> 16) + g + (v << 16);
}
} | https://github.com/libav/libav/blob/0ad522afb3a3b3d22402ecb82dd4609f7655031b/libswscale/rgb2rgb_template.c/#L346 |
d2a_code_data_41998 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/18e1e302452e6dea4500b6f981cee7e151294dea/crypto/bn/bn_ctx.c/#L268 |
d2a_code_data_41999 | static int vp3_decode_frame(AVCodecContext *avctx,
void *data, int *got_frame,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
Vp3DecodeContext *s = avctx->priv_data;
GetBitContext gb;
int i, ret;
init_get_bits(&gb, buf, buf_size * 8);
if (s->theora && get_bits1(&gb)) {
av_log(avctx, AV_LOG_ERROR,
"Header packet passed to frame decoder, skipping\n");
return -1;
}
s->keyframe = !get_bits1(&gb);
if (!s->theora)
skip_bits(&gb, 1);
for (i = 0; i < 3; i++)
s->last_qps[i] = s->qps[i];
s->nqps = 0;
do {
s->qps[s->nqps++] = get_bits(&gb, 6);
} while (s->theora >= 0x030200 && s->nqps < 3 && get_bits1(&gb));
for (i = s->nqps; i < 3; i++)
s->qps[i] = -1;
if (s->avctx->debug & FF_DEBUG_PICT_INFO)
av_log(s->avctx, AV_LOG_INFO, " VP3 %sframe #%d: Q index = %d\n",
s->keyframe ? "key" : "", avctx->frame_number + 1, s->qps[0]);
s->skip_loop_filter = !s->filter_limit_values[s->qps[0]] ||
avctx->skip_loop_filter >= (s->keyframe ? AVDISCARD_ALL
: AVDISCARD_NONKEY);
if (s->qps[0] != s->last_qps[0])
init_loop_filter(s);
for (i = 0; i < s->nqps; i++)
if (s->qps[i] != s->last_qps[i] || s->qps[0] != s->last_qps[0])
init_dequantizer(s, i);
if (avctx->skip_frame >= AVDISCARD_NONKEY && !s->keyframe)
return buf_size;
s->current_frame.f->pict_type = s->keyframe ? AV_PICTURE_TYPE_I
: AV_PICTURE_TYPE_P;
if (ff_thread_get_buffer(avctx, &s->current_frame, AV_GET_BUFFER_FLAG_REF) < 0) {
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n");
goto error;
}
if (!s->edge_emu_buffer)
s->edge_emu_buffer = av_malloc(9 * FFABS(s->current_frame.f->linesize[0]));
if (s->keyframe) {
if (!s->theora) {
skip_bits(&gb, 4);
skip_bits(&gb, 4);
if (s->version) {
s->version = get_bits(&gb, 5);
if (avctx->frame_number == 0)
av_log(s->avctx, AV_LOG_DEBUG,
"VP version: %d\n", s->version);
}
}
if (s->version || s->theora) {
if (get_bits1(&gb))
av_log(s->avctx, AV_LOG_ERROR,
"Warning, unsupported keyframe coding type?!\n");
skip_bits(&gb, 2);
}
} else {
if (!s->golden_frame.f->data[0]) {
av_log(s->avctx, AV_LOG_WARNING,
"vp3: first frame not a keyframe\n");
s->golden_frame.f->pict_type = AV_PICTURE_TYPE_I;
if (ff_thread_get_buffer(avctx, &s->golden_frame,
AV_GET_BUFFER_FLAG_REF) < 0) {
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n");
goto error;
}
ff_thread_release_buffer(avctx, &s->last_frame);
if ((ret = ff_thread_ref_frame(&s->last_frame,
&s->golden_frame)) < 0)
goto error;
ff_thread_report_progress(&s->last_frame, INT_MAX, 0);
}
}
memset(s->all_fragments, 0, s->fragment_count * sizeof(Vp3Fragment));
ff_thread_finish_setup(avctx);
if (unpack_superblocks(s, &gb)) {
av_log(s->avctx, AV_LOG_ERROR, "error in unpack_superblocks\n");
goto error;
}
if (unpack_modes(s, &gb)) {
av_log(s->avctx, AV_LOG_ERROR, "error in unpack_modes\n");
goto error;
}
if (unpack_vectors(s, &gb)) {
av_log(s->avctx, AV_LOG_ERROR, "error in unpack_vectors\n");
goto error;
}
if (unpack_block_qpis(s, &gb)) {
av_log(s->avctx, AV_LOG_ERROR, "error in unpack_block_qpis\n");
goto error;
}
if (unpack_dct_coeffs(s, &gb)) {
av_log(s->avctx, AV_LOG_ERROR, "error in unpack_dct_coeffs\n");
goto error;
}
for (i = 0; i < 3; i++) {
int height = s->height >> (i && s->chroma_y_shift);
if (s->flipped_image)
s->data_offset[i] = 0;
else
s->data_offset[i] = (height - 1) * s->current_frame.f->linesize[i];
}
s->last_slice_end = 0;
for (i = 0; i < s->c_superblock_height; i++)
render_slice(s, i);
for (i = 0; i < 3; i++) {
int row = (s->height >> (3 + (i && s->chroma_y_shift))) - 1;
apply_loop_filter(s, i, row, row + 1);
}
vp3_draw_horiz_band(s, s->avctx->height);
if ((ret = av_frame_ref(data, s->current_frame.f)) < 0)
return ret;
*got_frame = 1;
if (!HAVE_THREADS || !(s->avctx->active_thread_type & FF_THREAD_FRAME)) {
ret = update_frames(avctx);
if (ret < 0)
return ret;
}
return buf_size;
error:
ff_thread_report_progress(&s->current_frame, INT_MAX, 0);
if (!HAVE_THREADS || !(s->avctx->active_thread_type & FF_THREAD_FRAME))
av_frame_unref(s->current_frame.f);
return -1;
} | https://github.com/libav/libav/blob/77ab341c0c6cdf2bd437bb48d429e797d1e60da2/libavcodec/vp3.c/#L1998 |
d2a_code_data_42000 | int is_partially_overlapping(const void *ptr1, const void *ptr2, int len)
{
PTRDIFF_T diff = (PTRDIFF_T)ptr1-(PTRDIFF_T)ptr2;
int overlapped = (len > 0) & (diff != 0) & ((diff < (PTRDIFF_T)len) |
(diff > (0 - (PTRDIFF_T)len)));
assert(!overlapped);
return overlapped;
} | https://github.com/openssl/openssl/blob/7141ba31969d0b378d08104a51f8f99b9187b9d5/crypto/evp/evp_enc.c/#L288 |
d2a_code_data_42001 | int opt_verify(int opt, X509_VERIFY_PARAM *vpm)
{
int i;
ossl_intmax_t t = 0;
ASN1_OBJECT *otmp;
X509_PURPOSE *xptmp;
const X509_VERIFY_PARAM *vtmp;
assert(vpm != NULL);
assert(opt > OPT_V__FIRST);
assert(opt < OPT_V__LAST);
switch ((enum range)opt) {
case OPT_V__FIRST:
case OPT_V__LAST:
return 0;
case OPT_V_POLICY:
otmp = OBJ_txt2obj(opt_arg(), 0);
if (otmp == NULL) {
BIO_printf(bio_err, "%s: Invalid Policy %s\n", prog, opt_arg());
return 0;
}
X509_VERIFY_PARAM_add0_policy(vpm, otmp);
break;
case OPT_V_PURPOSE:
i = X509_PURPOSE_get_by_sname(opt_arg());
if (i < 0) {
BIO_printf(bio_err, "%s: Invalid purpose %s\n", prog, opt_arg());
return 0;
}
xptmp = X509_PURPOSE_get0(i);
i = X509_PURPOSE_get_id(xptmp);
if (!X509_VERIFY_PARAM_set_purpose(vpm, i)) {
BIO_printf(bio_err,
"%s: Internal error setting purpose %s\n",
prog, opt_arg());
return 0;
}
break;
case OPT_V_VERIFY_NAME:
vtmp = X509_VERIFY_PARAM_lookup(opt_arg());
if (vtmp == NULL) {
BIO_printf(bio_err, "%s: Invalid verify name %s\n",
prog, opt_arg());
return 0;
}
X509_VERIFY_PARAM_set1(vpm, vtmp);
break;
case OPT_V_VERIFY_DEPTH:
i = atoi(opt_arg());
if (i >= 0)
X509_VERIFY_PARAM_set_depth(vpm, i);
break;
case OPT_V_ATTIME:
if (!opt_imax(opt_arg(), &t))
return 0;
if (t != (time_t)t) {
BIO_printf(bio_err, "%s: epoch time out of range %s\n",
prog, opt_arg());
return 0;
}
X509_VERIFY_PARAM_set_time(vpm, (time_t)t);
break;
case OPT_V_VERIFY_HOSTNAME:
if (!X509_VERIFY_PARAM_set1_host(vpm, opt_arg(), 0))
return 0;
break;
case OPT_V_VERIFY_EMAIL:
if (!X509_VERIFY_PARAM_set1_email(vpm, opt_arg(), 0))
return 0;
break;
case OPT_V_VERIFY_IP:
if (!X509_VERIFY_PARAM_set1_ip_asc(vpm, opt_arg()))
return 0;
break;
case OPT_V_IGNORE_CRITICAL:
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_IGNORE_CRITICAL);
break;
case OPT_V_ISSUER_CHECKS:
break;
case OPT_V_CRL_CHECK:
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_CRL_CHECK);
break;
case OPT_V_CRL_CHECK_ALL:
X509_VERIFY_PARAM_set_flags(vpm,
X509_V_FLAG_CRL_CHECK |
X509_V_FLAG_CRL_CHECK_ALL);
break;
case OPT_V_POLICY_CHECK:
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_POLICY_CHECK);
break;
case OPT_V_EXPLICIT_POLICY:
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_EXPLICIT_POLICY);
break;
case OPT_V_INHIBIT_ANY:
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_INHIBIT_ANY);
break;
case OPT_V_INHIBIT_MAP:
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_INHIBIT_MAP);
break;
case OPT_V_X509_STRICT:
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_X509_STRICT);
break;
case OPT_V_EXTENDED_CRL:
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_EXTENDED_CRL_SUPPORT);
break;
case OPT_V_USE_DELTAS:
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_USE_DELTAS);
break;
case OPT_V_POLICY_PRINT:
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_NOTIFY_POLICY);
break;
case OPT_V_CHECK_SS_SIG:
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_CHECK_SS_SIGNATURE);
break;
case OPT_V_TRUSTED_FIRST:
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_TRUSTED_FIRST);
break;
case OPT_V_SUITEB_128_ONLY:
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_SUITEB_128_LOS_ONLY);
break;
case OPT_V_SUITEB_128:
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_SUITEB_128_LOS);
break;
case OPT_V_SUITEB_192:
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_SUITEB_192_LOS);
break;
case OPT_V_PARTIAL_CHAIN:
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_PARTIAL_CHAIN);
break;
case OPT_V_NO_ALT_CHAINS:
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_NO_ALT_CHAINS);
break;
case OPT_V_NO_CHECK_TIME:
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_NO_CHECK_TIME);
break;
}
return 1;
} | https://github.com/openssl/openssl/blob/2d5a1cfab8af8a282c62a3e1562aab1ad905b3e9/apps/opt.c/#L506 |
d2a_code_data_42002 | static int vc1_decode_p_mb(VC1Context *v)
{
MpegEncContext *s = &v->s;
GetBitContext *gb = &s->gb;
int i, j;
int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
int cbp;
int mqdiff, mquant;
int ttmb = v->ttfrm;
int status;
static const int size_table[6] = { 0, 2, 3, 4, 5, 8 },
offset_table[6] = { 0, 1, 3, 7, 15, 31 };
int mb_has_coeffs = 1;
int dmv_x, dmv_y;
int index, index1;
int val, sign;
int first_block = 1;
int dst_idx, off;
int skipped, fourmv;
mquant = v->pq;
if (v->mv_type_is_raw)
fourmv = get_bits1(gb);
else
fourmv = v->mv_type_mb_plane[mb_pos];
if (v->skip_is_raw)
skipped = get_bits1(gb);
else
skipped = v->s.mbskip_table[mb_pos];
s->dsp.clear_blocks(s->block[0]);
if (!fourmv)
{
if (!skipped)
{
GET_MVDATA(dmv_x, dmv_y);
if (s->mb_intra) {
s->current_picture.motion_val[1][s->block_index[0]][0] = 0;
s->current_picture.motion_val[1][s->block_index[0]][1] = 0;
}
s->current_picture.mb_type[mb_pos] = s->mb_intra ? MB_TYPE_INTRA : MB_TYPE_16x16;
vc1_pred_mv(s, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0]);
if (s->mb_intra && !mb_has_coeffs)
{
GET_MQUANT();
s->ac_pred = get_bits1(gb);
cbp = 0;
}
else if (mb_has_coeffs)
{
if (s->mb_intra) s->ac_pred = get_bits1(gb);
cbp = get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2);
GET_MQUANT();
}
else
{
mquant = v->pq;
cbp = 0;
}
s->current_picture.qscale_table[mb_pos] = mquant;
if (!v->ttmbf && !s->mb_intra && mb_has_coeffs)
ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table,
VC1_TTMB_VLC_BITS, 2);
if(!s->mb_intra) vc1_mc_1mv(v, 0);
dst_idx = 0;
for (i=0; i<6; i++)
{
s->dc_val[0][s->block_index[i]] = 0;
dst_idx += i >> 2;
val = ((cbp >> (5 - i)) & 1);
off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize);
v->mb_type[0][s->block_index[i]] = s->mb_intra;
if(s->mb_intra) {
v->a_avail = v->c_avail = 0;
if(i == 2 || i == 3 || !s->first_slice_line)
v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]];
if(i == 1 || i == 3 || s->mb_x)
v->c_avail = v->mb_type[0][s->block_index[i] - 1];
vc1_decode_intra_block(v, s->block[i], i, val, mquant, (i&4)?v->codingset2:v->codingset);
if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
s->dsp.vc1_inv_trans_8x8(s->block[i]);
if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
if(v->pq >= 9 && v->overlap) {
if(v->c_avail)
s->dsp.vc1_h_overlap(s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
if(v->a_avail)
s->dsp.vc1_v_overlap(s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
}
} else if(val) {
vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block, s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize, (i&4) && (s->flags & CODEC_FLAG_GRAY));
if(!v->ttmbf && ttmb < 8) ttmb = -1;
first_block = 0;
}
}
}
else
{
s->mb_intra = 0;
for(i = 0; i < 6; i++) {
v->mb_type[0][s->block_index[i]] = 0;
s->dc_val[0][s->block_index[i]] = 0;
}
s->current_picture.mb_type[mb_pos] = MB_TYPE_SKIP;
s->current_picture.qscale_table[mb_pos] = 0;
vc1_pred_mv(s, 0, 0, 0, 1, v->range_x, v->range_y, v->mb_type[0]);
vc1_mc_1mv(v, 0);
return 0;
}
}
else
{
if (!skipped )
{
int intra_count = 0, coded_inter = 0;
int is_intra[6], is_coded[6];
cbp = get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2);
for (i=0; i<6; i++)
{
val = ((cbp >> (5 - i)) & 1);
s->dc_val[0][s->block_index[i]] = 0;
s->mb_intra = 0;
if(i < 4) {
dmv_x = dmv_y = 0;
s->mb_intra = 0;
mb_has_coeffs = 0;
if(val) {
GET_MVDATA(dmv_x, dmv_y);
}
vc1_pred_mv(s, i, dmv_x, dmv_y, 0, v->range_x, v->range_y, v->mb_type[0]);
if(!s->mb_intra) vc1_mc_4mv_luma(v, i);
intra_count += s->mb_intra;
is_intra[i] = s->mb_intra;
is_coded[i] = mb_has_coeffs;
}
if(i&4){
is_intra[i] = (intra_count >= 3);
is_coded[i] = val;
}
if(i == 4) vc1_mc_4mv_chroma(v);
v->mb_type[0][s->block_index[i]] = is_intra[i];
if(!coded_inter) coded_inter = !is_intra[i] & is_coded[i];
}
if(!intra_count && !coded_inter) return 0;
dst_idx = 0;
GET_MQUANT();
s->current_picture.qscale_table[mb_pos] = mquant;
{
int intrapred = 0;
for(i=0; i<6; i++)
if(is_intra[i]) {
if(((!s->first_slice_line || (i==2 || i==3)) && v->mb_type[0][s->block_index[i] - s->block_wrap[i]])
|| ((s->mb_x || (i==1 || i==3)) && v->mb_type[0][s->block_index[i] - 1])) {
intrapred = 1;
break;
}
}
if(intrapred)s->ac_pred = get_bits1(gb);
else s->ac_pred = 0;
}
if (!v->ttmbf && coded_inter)
ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, VC1_TTMB_VLC_BITS, 2);
for (i=0; i<6; i++)
{
dst_idx += i >> 2;
off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize);
s->mb_intra = is_intra[i];
if (is_intra[i]) {
v->a_avail = v->c_avail = 0;
if(i == 2 || i == 3 || !s->first_slice_line)
v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]];
if(i == 1 || i == 3 || s->mb_x)
v->c_avail = v->mb_type[0][s->block_index[i] - 1];
vc1_decode_intra_block(v, s->block[i], i, is_coded[i], mquant, (i&4)?v->codingset2:v->codingset);
if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
s->dsp.vc1_inv_trans_8x8(s->block[i]);
if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize);
if(v->pq >= 9 && v->overlap) {
if(v->c_avail)
s->dsp.vc1_h_overlap(s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
if(v->a_avail)
s->dsp.vc1_v_overlap(s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
}
} else if(is_coded[i]) {
status = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block, s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize, (i&4) && (s->flags & CODEC_FLAG_GRAY));
if(!v->ttmbf && ttmb < 8) ttmb = -1;
first_block = 0;
}
}
return status;
}
else
{
s->mb_intra = 0;
s->current_picture.qscale_table[mb_pos] = 0;
for (i=0; i<6; i++) {
v->mb_type[0][s->block_index[i]] = 0;
s->dc_val[0][s->block_index[i]] = 0;
}
for (i=0; i<4; i++)
{
vc1_pred_mv(s, i, 0, 0, 0, v->range_x, v->range_y, v->mb_type[0]);
vc1_mc_4mv_luma(v, i);
}
vc1_mc_4mv_chroma(v);
s->current_picture.qscale_table[mb_pos] = 0;
return 0;
}
}
return -1;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/vc1.c/#L3183 |
d2a_code_data_42003 | int RAND_pseudo_bytes(unsigned char *buf, int num)
{
const RAND_METHOD *meth = RAND_get_rand_method();
if (meth->pseudorand != NULL)
return meth->pseudorand(buf, num);
return -1;
} | https://github.com/openssl/openssl/blob/12fb8c3d2dd00f3d4f1b084385403d26ed64a596/crypto/rand/rand_lib.c/#L157 |
d2a_code_data_42004 | static int decode_element(AVCodecContext *avctx, void *data, int ch_index,
int channels)
{
ALACContext *alac = avctx->priv_data;
int has_size, bps, is_compressed, decorr_shift, decorr_left_weight, ret;
uint32_t output_samples;
int i, ch;
skip_bits(&alac->gb, 4);
skip_bits(&alac->gb, 12);
has_size = get_bits1(&alac->gb);
alac->extra_bits = get_bits(&alac->gb, 2) << 3;
bps = alac->sample_size - alac->extra_bits + channels - 1;
if (bps > 32) {
av_log(avctx, AV_LOG_ERROR, "bps is unsupported: %d\n", bps);
return AVERROR_PATCHWELCOME;
}
is_compressed = !get_bits1(&alac->gb);
if (has_size)
output_samples = get_bits_long(&alac->gb, 32);
else
output_samples = alac->max_samples_per_frame;
if (!output_samples || output_samples > alac->max_samples_per_frame) {
av_log(avctx, AV_LOG_ERROR, "invalid samples per frame: %d\n",
output_samples);
return AVERROR_INVALIDDATA;
}
if (!alac->nb_samples) {
alac->frame.nb_samples = output_samples;
if ((ret = avctx->get_buffer(avctx, &alac->frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
} else if (output_samples != alac->nb_samples) {
av_log(avctx, AV_LOG_ERROR, "sample count mismatch: %u != %d\n",
output_samples, alac->nb_samples);
return AVERROR_INVALIDDATA;
}
alac->nb_samples = output_samples;
if (alac->sample_size > 16) {
for (ch = 0; ch < channels; ch++)
alac->output_samples_buffer[ch] = (int32_t *)alac->frame.extended_data[ch_index + ch];
}
if (is_compressed) {
int16_t lpc_coefs[2][32];
int lpc_order[2];
int prediction_type[2];
int lpc_quant[2];
int rice_history_mult[2];
decorr_shift = get_bits(&alac->gb, 8);
decorr_left_weight = get_bits(&alac->gb, 8);
for (ch = 0; ch < channels; ch++) {
prediction_type[ch] = get_bits(&alac->gb, 4);
lpc_quant[ch] = get_bits(&alac->gb, 4);
rice_history_mult[ch] = get_bits(&alac->gb, 3);
lpc_order[ch] = get_bits(&alac->gb, 5);
for (i = 0; i < lpc_order[ch]; i++)
lpc_coefs[ch][i] = get_sbits(&alac->gb, 16);
}
if (alac->extra_bits) {
for (i = 0; i < alac->nb_samples; i++) {
for (ch = 0; ch < channels; ch++)
alac->extra_bits_buffer[ch][i] = get_bits(&alac->gb, alac->extra_bits);
}
}
for (ch = 0; ch < channels; ch++) {
rice_decompress(alac, alac->predict_error_buffer[ch],
alac->nb_samples, bps,
rice_history_mult[ch] * alac->rice_history_mult / 4);
if (prediction_type[ch] == 15) {
lpc_prediction(alac->predict_error_buffer[ch],
alac->predict_error_buffer[ch],
alac->nb_samples, bps, NULL, 31, 0);
} else if (prediction_type[ch] > 0) {
av_log(avctx, AV_LOG_WARNING, "unknown prediction type: %i\n",
prediction_type[ch]);
}
lpc_prediction(alac->predict_error_buffer[ch],
alac->output_samples_buffer[ch], alac->nb_samples,
bps, lpc_coefs[ch], lpc_order[ch], lpc_quant[ch]);
}
} else {
for (i = 0; i < alac->nb_samples; i++) {
for (ch = 0; ch < channels; ch++) {
alac->output_samples_buffer[ch][i] =
get_sbits_long(&alac->gb, alac->sample_size);
}
}
alac->extra_bits = 0;
decorr_shift = 0;
decorr_left_weight = 0;
}
if (channels == 2 && decorr_left_weight) {
decorrelate_stereo(alac->output_samples_buffer, alac->nb_samples,
decorr_shift, decorr_left_weight);
}
if (alac->extra_bits) {
append_extra_bits(alac->output_samples_buffer, alac->extra_bits_buffer,
alac->extra_bits, channels, alac->nb_samples);
}
switch(alac->sample_size) {
case 16: {
for (ch = 0; ch < channels; ch++) {
int16_t *outbuffer = (int16_t *)alac->frame.extended_data[ch_index + ch];
for (i = 0; i < alac->nb_samples; i++)
*outbuffer++ = alac->output_samples_buffer[ch][i];
}}
break;
case 24: {
for (ch = 0; ch < channels; ch++) {
for (i = 0; i < alac->nb_samples; i++)
alac->output_samples_buffer[ch][i] <<= 8;
}}
break;
}
return 0;
} | https://github.com/libav/libav/blob/b70d89a033dacf53758256f875f1b23ce0ae13f1/libavcodec/alac.c/#L384 |
d2a_code_data_42005 | static int fill_default_ref_list(H264Context *h){
MpegEncContext * const s = &h->s;
int i;
int smallest_poc_greater_than_current = -1;
int structure_sel;
Picture sorted_short_ref[32];
Picture field_entry_list[2][32];
Picture *frame_list[2];
if (FIELD_PICTURE) {
structure_sel = PICT_FRAME;
frame_list[0] = field_entry_list[0];
frame_list[1] = field_entry_list[1];
} else {
structure_sel = 0;
frame_list[0] = h->default_ref_list[0];
frame_list[1] = h->default_ref_list[1];
}
if(h->slice_type==FF_B_TYPE){
int list;
int len[2];
int short_len[2];
int out_i;
int limit= INT_MIN;
for(out_i=0; out_i<h->short_ref_count; out_i++){
int best_i=INT_MIN;
int best_poc=INT_MAX;
for(i=0; i<h->short_ref_count; i++){
const int poc= h->short_ref[i]->poc;
if(poc > limit && poc < best_poc){
best_poc= poc;
best_i= i;
}
}
assert(best_i != INT_MIN);
limit= best_poc;
sorted_short_ref[out_i]= *h->short_ref[best_i];
tprintf(h->s.avctx, "sorted poc: %d->%d poc:%d fn:%d\n", best_i, out_i, sorted_short_ref[out_i].poc, sorted_short_ref[out_i].frame_num);
if (-1 == smallest_poc_greater_than_current) {
if (h->short_ref[best_i]->poc >= s->current_picture_ptr->poc) {
smallest_poc_greater_than_current = out_i;
}
}
}
tprintf(h->s.avctx, "current poc: %d, smallest_poc_greater_than_current: %d\n", s->current_picture_ptr->poc, smallest_poc_greater_than_current);
for(list=0; list<2; list++){
int index = 0;
int j= -99;
int step= list ? -1 : 1;
for(i=0; i<h->short_ref_count && index < h->ref_count[list]; i++, j+=step) {
int sel;
while(j<0 || j>= h->short_ref_count){
if(j != -99 && step == (list ? -1 : 1))
return -1;
step = -step;
j= smallest_poc_greater_than_current + (step>>1);
}
sel = sorted_short_ref[j].reference | structure_sel;
if(sel != PICT_FRAME) continue;
frame_list[list][index ]= sorted_short_ref[j];
frame_list[list][index++].pic_id= sorted_short_ref[j].frame_num;
}
short_len[list] = index;
for(i = 0; i < 16 && index < h->ref_count[ list ]; i++){
int sel;
if(h->long_ref[i] == NULL) continue;
sel = h->long_ref[i]->reference | structure_sel;
if(sel != PICT_FRAME) continue;
frame_list[ list ][index ]= *h->long_ref[i];
frame_list[ list ][index++].pic_id= i;
}
len[list] = index;
}
for(list=0; list<2; list++){
if (FIELD_PICTURE)
len[list] = split_field_ref_list(h->default_ref_list[list],
h->ref_count[list],
frame_list[list],
len[list],
s->picture_structure,
short_len[list]);
if(list && len[0] > 1 && len[0] == len[1])
for(i=0; h->default_ref_list[0][i].data[0] == h->default_ref_list[1][i].data[0]; i++)
if(i == len[0]){
FFSWAP(Picture, h->default_ref_list[1][0], h->default_ref_list[1][1]);
break;
}
if(len[list] < h->ref_count[ list ])
memset(&h->default_ref_list[list][len[list]], 0, sizeof(Picture)*(h->ref_count[ list ] - len[list]));
}
}else{
int index=0;
int short_len;
for(i=0; i<h->short_ref_count; i++){
int sel;
sel = h->short_ref[i]->reference | structure_sel;
if(sel != PICT_FRAME) continue;
frame_list[0][index ]= *h->short_ref[i];
frame_list[0][index++].pic_id= h->short_ref[i]->frame_num;
}
short_len = index;
for(i = 0; i < 16; i++){
int sel;
if(h->long_ref[i] == NULL) continue;
sel = h->long_ref[i]->reference | structure_sel;
if(sel != PICT_FRAME) continue;
frame_list[0][index ]= *h->long_ref[i];
frame_list[0][index++].pic_id= i;
}
if (FIELD_PICTURE)
index = split_field_ref_list(h->default_ref_list[0],
h->ref_count[0], frame_list[0],
index, s->picture_structure,
short_len);
if(index < h->ref_count[0])
memset(&h->default_ref_list[0][index], 0, sizeof(Picture)*(h->ref_count[0] - index));
}
#ifdef TRACE
for (i=0; i<h->ref_count[0]; i++) {
tprintf(h->s.avctx, "List0: %s fn:%d 0x%p\n", (h->default_ref_list[0][i].long_ref ? "LT" : "ST"), h->default_ref_list[0][i].pic_id, h->default_ref_list[0][i].data[0]);
}
if(h->slice_type==FF_B_TYPE){
for (i=0; i<h->ref_count[1]; i++) {
tprintf(h->s.avctx, "List1: %s fn:%d 0x%p\n", (h->default_ref_list[1][i].long_ref ? "LT" : "ST"), h->default_ref_list[1][i].pic_id, h->default_ref_list[1][i].data[0]);
}
}
#endif
return 0;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/h264.c/#L2930 |
d2a_code_data_42006 | tsize_t t2p_write_pdf(T2P* t2p, TIFF* input, TIFF* output){
tsize_t written=0;
ttile_t i2=0;
tsize_t streamlen=0;
uint16 i=0;
t2p_read_tiff_init(t2p, input);
if(t2p->t2p_error!=T2P_ERR_OK){return(0);}
t2p->pdf_xrefoffsets= (uint32*) _TIFFmalloc(t2p->pdf_xrefcount * sizeof(uint32) );
if(t2p->pdf_xrefoffsets==NULL){
TIFFError(
TIFF2PDF_MODULE,
"Can't allocate %u bytes of memory for t2p_write_pdf",
(unsigned int) (t2p->pdf_xrefcount * sizeof(uint32)) );
return(written);
}
t2p->pdf_xrefcount=0;
t2p->pdf_catalog=1;
t2p->pdf_info=2;
t2p->pdf_pages=3;
written += t2p_write_pdf_header(t2p, output);
t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;
t2p->pdf_catalog=t2p->pdf_xrefcount;
written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);
written += t2p_write_pdf_catalog(t2p, output);
written += t2p_write_pdf_obj_end(output);
t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;
t2p->pdf_info=t2p->pdf_xrefcount;
written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);
written += t2p_write_pdf_info(t2p, input, output);
written += t2p_write_pdf_obj_end(output);
t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;
t2p->pdf_pages=t2p->pdf_xrefcount;
written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);
written += t2p_write_pdf_pages(t2p, output);
written += t2p_write_pdf_obj_end(output);
for(t2p->pdf_page=0;t2p->pdf_page<t2p->tiff_pagecount;t2p->pdf_page++){
t2p_read_tiff_data(t2p, input);
if(t2p->t2p_error!=T2P_ERR_OK){return(0);}
t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;
written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);
written += t2p_write_pdf_page(t2p->pdf_xrefcount, t2p, output);
written += t2p_write_pdf_obj_end(output);
t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;
written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);
written += t2p_write_pdf_stream_dict_start(output);
written += t2p_write_pdf_stream_dict(0, t2p->pdf_xrefcount+1, output);
written += t2p_write_pdf_stream_dict_end(output);
written += t2p_write_pdf_stream_start(output);
streamlen=written;
written += t2p_write_pdf_page_content_stream(t2p, output);
streamlen=written-streamlen;
written += t2p_write_pdf_stream_end(output);
written += t2p_write_pdf_obj_end(output);
t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;
written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);
written += t2p_write_pdf_stream_length(streamlen, output);
written += t2p_write_pdf_obj_end(output);
if(t2p->tiff_transferfunctioncount != 0){
t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;
written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);
written += t2p_write_pdf_transfer(t2p, output);
written += t2p_write_pdf_obj_end(output);
for(i=0; i < t2p->tiff_transferfunctioncount; i++){
t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;
written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);
written += t2p_write_pdf_stream_dict_start(output);
written += t2p_write_pdf_transfer_dict(t2p, output, i);
written += t2p_write_pdf_stream_dict_end(output);
written += t2p_write_pdf_stream_start(output);
streamlen=written;
written += t2p_write_pdf_transfer_stream(t2p, output, i);
streamlen=written-streamlen;
written += t2p_write_pdf_stream_end(output);
written += t2p_write_pdf_obj_end(output);
}
}
if( (t2p->pdf_colorspace & T2P_CS_PALETTE) != 0){
t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;
t2p->pdf_palettecs=t2p->pdf_xrefcount;
written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);
written += t2p_write_pdf_stream_dict_start(output);
written += t2p_write_pdf_stream_dict(t2p->pdf_palettesize, 0, output);
written += t2p_write_pdf_stream_dict_end(output);
written += t2p_write_pdf_stream_start(output);
streamlen=written;
written += t2p_write_pdf_xobject_palettecs_stream(t2p, output);
streamlen=written-streamlen;
written += t2p_write_pdf_stream_end(output);
written += t2p_write_pdf_obj_end(output);
}
if( (t2p->pdf_colorspace & T2P_CS_ICCBASED) != 0){
t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;
t2p->pdf_icccs=t2p->pdf_xrefcount;
written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);
written += t2p_write_pdf_stream_dict_start(output);
written += t2p_write_pdf_xobject_icccs_dict(t2p, output);
written += t2p_write_pdf_stream_dict_end(output);
written += t2p_write_pdf_stream_start(output);
streamlen=written;
written += t2p_write_pdf_xobject_icccs_stream(t2p, output);
streamlen=written-streamlen;
written += t2p_write_pdf_stream_end(output);
written += t2p_write_pdf_obj_end(output);
}
if(t2p->tiff_tiles[t2p->pdf_page].tiles_tilecount !=0){
for(i2=0;i2<t2p->tiff_tiles[t2p->pdf_page].tiles_tilecount;i2++){
t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;
written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);
written += t2p_write_pdf_stream_dict_start(output);
written += t2p_write_pdf_xobject_stream_dict(
i2+1,
t2p,
output);
written += t2p_write_pdf_stream_dict_end(output);
written += t2p_write_pdf_stream_start(output);
streamlen=written;
t2p_read_tiff_size_tile(t2p, input, i2);
written += t2p_readwrite_pdf_image_tile(t2p, input, output, i2);
t2p_write_advance_directory(t2p, output);
if(t2p->t2p_error!=T2P_ERR_OK){return(0);}
streamlen=written-streamlen;
written += t2p_write_pdf_stream_end(output);
written += t2p_write_pdf_obj_end(output);
t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;
written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);
written += t2p_write_pdf_stream_length(streamlen, output);
written += t2p_write_pdf_obj_end(output);
}
} else {
t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;
written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);
written += t2p_write_pdf_stream_dict_start(output);
written += t2p_write_pdf_xobject_stream_dict(
0,
t2p,
output);
written += t2p_write_pdf_stream_dict_end(output);
written += t2p_write_pdf_stream_start(output);
streamlen=written;
t2p_read_tiff_size(t2p, input);
written += t2p_readwrite_pdf_image(t2p, input, output);
t2p_write_advance_directory(t2p, output);
if(t2p->t2p_error!=T2P_ERR_OK){return(0);}
streamlen=written-streamlen;
written += t2p_write_pdf_stream_end(output);
written += t2p_write_pdf_obj_end(output);
t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;
written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);
written += t2p_write_pdf_stream_length(streamlen, output);
written += t2p_write_pdf_obj_end(output);
}
}
t2p->pdf_startxref = written;
written += t2p_write_pdf_xreftable(t2p, output);
written += t2p_write_pdf_trailer(t2p, output);
t2p_disable(output);
return(written);
} | https://gitlab.com/libtiff/libtiff/blob/b69a1998bedfabc32cd541408bffdef05bd01e45/tools/tiff2pdf.c/#L5167 |
d2a_code_data_42007 | static void truespeech_read_frame(TSContext *dec, const uint8_t *input)
{
uint32_t t;
t = AV_RL32(input);
input += 4;
dec->flag = t & 1;
dec->vector[0] = ts_codebook[0][(t >> 1) & 0x1F];
dec->vector[1] = ts_codebook[1][(t >> 6) & 0x1F];
dec->vector[2] = ts_codebook[2][(t >> 11) & 0xF];
dec->vector[3] = ts_codebook[3][(t >> 15) & 0xF];
dec->vector[4] = ts_codebook[4][(t >> 19) & 0xF];
dec->vector[5] = ts_codebook[5][(t >> 23) & 0x7];
dec->vector[6] = ts_codebook[6][(t >> 26) & 0x7];
dec->vector[7] = ts_codebook[7][(t >> 29) & 0x7];
t = AV_RL32(input);
input += 4;
dec->offset2[0] = (t >> 0) & 0x7F;
dec->offset2[1] = (t >> 7) & 0x7F;
dec->offset2[2] = (t >> 14) & 0x7F;
dec->offset2[3] = (t >> 21) & 0x7F;
dec->offset1[0] = ((t >> 28) & 0xF) << 4;
t = AV_RL32(input);
input += 4;
dec->pulseval[0] = (t >> 0) & 0x3FFF;
dec->pulseval[1] = (t >> 14) & 0x3FFF;
dec->offset1[1] = (t >> 28) & 0x0F;
t = AV_RL32(input);
input += 4;
dec->pulseval[2] = (t >> 0) & 0x3FFF;
dec->pulseval[3] = (t >> 14) & 0x3FFF;
dec->offset1[1] |= ((t >> 28) & 0x0F) << 4;
t = AV_RL32(input);
input += 4;
dec->pulsepos[0] = (t >> 4) & 0x7FFFFFF;
dec->pulseoff[0] = (t >> 0) & 0xF;
dec->offset1[0] |= (t >> 31) & 1;
t = AV_RL32(input);
input += 4;
dec->pulsepos[1] = (t >> 4) & 0x7FFFFFF;
dec->pulseoff[1] = (t >> 0) & 0xF;
dec->offset1[0] |= ((t >> 31) & 1) << 1;
t = AV_RL32(input);
input += 4;
dec->pulsepos[2] = (t >> 4) & 0x7FFFFFF;
dec->pulseoff[2] = (t >> 0) & 0xF;
dec->offset1[0] |= ((t >> 31) & 1) << 2;
t = AV_RL32(input);
input += 4;
dec->pulsepos[3] = (t >> 4) & 0x7FFFFFF;
dec->pulseoff[3] = (t >> 0) & 0xF;
dec->offset1[0] |= ((t >> 31) & 1) << 3;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/truespeech.c/#L70 |
d2a_code_data_42008 | static int epzs_motion_search4(MpegEncContext * s,
int *mx_ptr, int *my_ptr, int P[10][2],
int src_index, int ref_index, int16_t (*last_mv)[2],
int ref_mv_scale)
{
MotionEstContext * const c= &s->me;
int best[2]={0, 0};
int d, dmin;
int map_generation;
const int penalty_factor= c->penalty_factor;
const int size=1;
const int h=8;
const int ref_mv_stride= s->mb_stride;
const int ref_mv_xy= s->mb_x + s->mb_y *ref_mv_stride;
me_cmp_func cmpf, chroma_cmpf;
LOAD_COMMON
int flags= c->flags;
LOAD_COMMON2
cmpf= s->dsp.me_cmp[size];
chroma_cmpf= s->dsp.me_cmp[size+1];
map_generation= update_map_generation(c);
dmin = 1000000;
if (s->first_slice_line) {
CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift)
}else{
CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift)
CHECK_MV(P_MEDIAN[0]>>shift, P_MEDIAN[1]>>shift)
CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
CHECK_MV(P_TOP[0]>>shift, P_TOP[1]>>shift)
CHECK_MV(P_TOPRIGHT[0]>>shift, P_TOPRIGHT[1]>>shift)
CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
}
if(dmin>64*4){
CHECK_CLIPPED_MV((last_mv[ref_mv_xy+1][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy+1][1]*ref_mv_scale + (1<<15))>>16)
if(s->mb_y+1<s->end_mb_y)
CHECK_CLIPPED_MV((last_mv[ref_mv_xy+ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy+ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16)
}
dmin= diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
*mx_ptr= best[0];
*my_ptr= best[1];
return dmin;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est_template.c/#L1174 |
d2a_code_data_42009 | static void BN_POOL_release(BN_POOL *p, unsigned int num)
{
unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;
p->used -= num;
while (num--) {
bn_check_top(p->current->vals + offset);
if (offset == 0) {
offset = BN_CTX_POOL_SIZE - 1;
p->current = p->current->prev;
} else
offset--;
}
} | https://github.com/openssl/openssl/blob/fff684168c7923aa85e6b4381d71d933396e32b0/crypto/bn/bn_ctx.c/#L340 |
d2a_code_data_42010 | static int expand(OPENSSL_LHASH *lh)
{
OPENSSL_LH_NODE **n, **n1, **n2, *np;
unsigned int p, pmax, nni, j;
unsigned long hash;
nni = lh->num_alloc_nodes;
p = lh->p;
pmax = lh->pmax;
if (p + 1 >= pmax) {
j = nni * 2;
n = OPENSSL_realloc(lh->b, sizeof(OPENSSL_LH_NODE *) * j);
if (n == NULL) {
lh->error++;
return 0;
}
lh->b = n;
memset(n + nni, 0, sizeof(*n) * (j - nni));
lh->pmax = nni;
lh->num_alloc_nodes = j;
lh->num_expand_reallocs++;
lh->p = 0;
} else {
lh->p++;
}
lh->num_nodes++;
lh->num_expands++;
n1 = &(lh->b[p]);
n2 = &(lh->b[p + pmax]);
*n2 = NULL;
for (np = *n1; np != NULL;) {
hash = np->hash;
if ((hash % nni) != p) {
*n1 = (*n1)->next;
np->next = *n2;
*n2 = np;
} else
n1 = &((*n1)->next);
np = *n1;
}
return 1;
} | https://github.com/openssl/openssl/blob/866cc2334c95c8602eb4d018bfc224357c47b511/crypto/lhash/lhash.c/#L239 |
d2a_code_data_42011 | static int opt_preset(const char *opt, const char *arg)
{
FILE *f=NULL;
char filename[1000], tmp[1000], tmp2[1000], line[1000];
char *codec_name = *opt == 'v' ? video_codec_name :
*opt == 'a' ? audio_codec_name :
subtitle_codec_name;
if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
fprintf(stderr, "File for preset '%s' not found\n", arg);
ffmpeg_exit(1);
}
while(!feof(f)){
int e= fscanf(f, "%999[^\n]\n", line) - 1;
if(line[0] == '#' && !e)
continue;
e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
if(e){
fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
ffmpeg_exit(1);
}
if(!strcmp(tmp, "acodec")){
opt_audio_codec(tmp2);
}else if(!strcmp(tmp, "vcodec")){
opt_video_codec(tmp2);
}else if(!strcmp(tmp, "scodec")){
opt_subtitle_codec(tmp2);
}else if(opt_default(tmp, tmp2) < 0){
fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
ffmpeg_exit(1);
}
}
fclose(f);
return 0;
} | https://github.com/libav/libav/blob/2d777bb7a20041ac0564ffef85bf40619af8ccd1/ffmpeg.c/#L4160 |
d2a_code_data_42012 | int ssl_handshake_hash(SSL *s, unsigned char *out, int outlen)
{
EVP_MD_CTX *ctx = NULL;
EVP_MD_CTX *hdgst = s->s3->handshake_dgst;
int ret = EVP_MD_CTX_size(hdgst);
if (ret < 0 || ret > outlen) {
ret = 0;
goto err;
}
ctx = EVP_MD_CTX_new();
if (ctx == NULL) {
ret = 0;
goto err;
}
if (!EVP_MD_CTX_copy_ex(ctx, hdgst)
|| EVP_DigestFinal_ex(ctx, out, NULL) <= 0)
ret = 0;
err:
EVP_MD_CTX_free(ctx);
return ret;
} | https://github.com/openssl/openssl/blob/bc71f91064a3eec10310fa4cc14fe2a3fd9bc7bb/ssl/ssl_lib.c/#L3201 |
d2a_code_data_42013 | void
ngx_strlow(u_char *dst, u_char *src, size_t n)
{
while (n--) {
*dst = ngx_tolower(*src);
dst++;
src++;
}
} | https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/core/ngx_string.c/#L19 |
d2a_code_data_42014 | static int chacha20_poly1305_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t len)
{
EVP_CHACHA_AEAD_CTX *actx = aead_data(ctx);
size_t tail, tohash_len, buf_len, plen = actx->tls_payload_length;
unsigned char *buf, *tohash, *ctr, storage[sizeof(zero) + 32];
if (len != plen + POLY1305_BLOCK_SIZE)
return -1;
buf = storage + ((0 - (size_t)storage) & 15);
ctr = buf + CHACHA_BLK_SIZE;
tohash = buf + CHACHA_BLK_SIZE - POLY1305_BLOCK_SIZE;
# ifdef XOR128_HELPERS
if (plen <= 3 * CHACHA_BLK_SIZE) {
actx->key.counter[0] = 0;
buf_len = (plen + 2 * CHACHA_BLK_SIZE - 1) & (0 - CHACHA_BLK_SIZE);
ChaCha20_ctr32(buf, zero, buf_len, actx->key.key.d,
actx->key.counter);
Poly1305_Init(POLY1305_ctx(actx), buf);
actx->key.partial_len = 0;
memcpy(tohash, actx->tls_aad, POLY1305_BLOCK_SIZE);
tohash_len = POLY1305_BLOCK_SIZE;
actx->len.aad = EVP_AEAD_TLS1_AAD_LEN;
actx->len.text = plen;
if (plen) {
if (ctx->encrypt)
ctr = xor128_encrypt_n_pad(out, in, ctr, plen);
else
ctr = xor128_decrypt_n_pad(out, in, ctr, plen);
in += plen;
out += plen;
tohash_len = (size_t)(ctr - tohash);
}
}
# else
if (plen <= CHACHA_BLK_SIZE) {
size_t i;
actx->key.counter[0] = 0;
ChaCha20_ctr32(buf, zero, (buf_len = 2 * CHACHA_BLK_SIZE),
actx->key.key.d, actx->key.counter);
Poly1305_Init(POLY1305_ctx(actx), buf);
actx->key.partial_len = 0;
memcpy(tohash, actx->tls_aad, POLY1305_BLOCK_SIZE);
tohash_len = POLY1305_BLOCK_SIZE;
actx->len.aad = EVP_AEAD_TLS1_AAD_LEN;
actx->len.text = plen;
if (ctx->encrypt) {
for (i = 0; i < plen; i++) {
out[i] = ctr[i] ^= in[i];
}
} else {
for (i = 0; i < plen; i++) {
unsigned char c = in[i];
out[i] = ctr[i] ^ c;
ctr[i] = c;
}
}
in += i;
out += i;
tail = (0 - i) & (POLY1305_BLOCK_SIZE - 1);
memset(ctr + i, 0, tail);
ctr += i + tail;
tohash_len += i + tail;
}
# endif
else {
actx->key.counter[0] = 0;
ChaCha20_ctr32(buf, zero, (buf_len = CHACHA_BLK_SIZE),
actx->key.key.d, actx->key.counter);
Poly1305_Init(POLY1305_ctx(actx), buf);
actx->key.counter[0] = 1;
actx->key.partial_len = 0;
Poly1305_Update(POLY1305_ctx(actx), actx->tls_aad, POLY1305_BLOCK_SIZE);
tohash = ctr;
tohash_len = 0;
actx->len.aad = EVP_AEAD_TLS1_AAD_LEN;
actx->len.text = plen;
if (ctx->encrypt) {
ChaCha20_ctr32(out, in, plen, actx->key.key.d, actx->key.counter);
Poly1305_Update(POLY1305_ctx(actx), out, plen);
} else {
Poly1305_Update(POLY1305_ctx(actx), in, plen);
ChaCha20_ctr32(out, in, plen, actx->key.key.d, actx->key.counter);
}
in += plen;
out += plen;
tail = (0 - plen) & (POLY1305_BLOCK_SIZE - 1);
Poly1305_Update(POLY1305_ctx(actx), zero, tail);
}
{
const union {
long one;
char little;
} is_endian = { 1 };
if (is_endian.little) {
memcpy(ctr, (unsigned char *)&actx->len, POLY1305_BLOCK_SIZE);
} else {
ctr[0] = (unsigned char)(actx->len.aad);
ctr[1] = (unsigned char)(actx->len.aad>>8);
ctr[2] = (unsigned char)(actx->len.aad>>16);
ctr[3] = (unsigned char)(actx->len.aad>>24);
ctr[4] = (unsigned char)(actx->len.aad>>32);
ctr[5] = (unsigned char)(actx->len.aad>>40);
ctr[6] = (unsigned char)(actx->len.aad>>48);
ctr[7] = (unsigned char)(actx->len.aad>>56);
ctr[8] = (unsigned char)(actx->len.text);
ctr[9] = (unsigned char)(actx->len.text>>8);
ctr[10] = (unsigned char)(actx->len.text>>16);
ctr[11] = (unsigned char)(actx->len.text>>24);
ctr[12] = (unsigned char)(actx->len.text>>32);
ctr[13] = (unsigned char)(actx->len.text>>40);
ctr[14] = (unsigned char)(actx->len.text>>48);
ctr[15] = (unsigned char)(actx->len.text>>56);
}
tohash_len += POLY1305_BLOCK_SIZE;
}
Poly1305_Update(POLY1305_ctx(actx), tohash, tohash_len);
OPENSSL_cleanse(buf, buf_len);
Poly1305_Final(POLY1305_ctx(actx), ctx->encrypt ? actx->tag
: tohash);
actx->tls_payload_length = NO_TLS_PAYLOAD_LENGTH;
if (ctx->encrypt) {
memcpy(out, actx->tag, POLY1305_BLOCK_SIZE);
} else {
if (CRYPTO_memcmp(tohash, in, POLY1305_BLOCK_SIZE)) {
memset(out - (len - POLY1305_BLOCK_SIZE), 0,
len - POLY1305_BLOCK_SIZE);
return -1;
}
}
return len;
} | https://github.com/openssl/openssl/blob/3e0076c213ec2d1149a9a89f9bc141d1a1a44630/crypto/evp/e_chacha20_poly1305.c/#L306 |
d2a_code_data_42015 | static void filter_mb_mbaff_edgev( H264Context *h, uint8_t *pix, int stride, const int16_t bS[7], int bsi, int qp ) {
const int qp_bd_offset = 6 * (h->sps.bit_depth_luma - 8);
int index_a = qp - qp_bd_offset + h->slice_alpha_c0_offset;
int alpha = alpha_table[index_a];
int beta = beta_table[qp - qp_bd_offset + h->slice_beta_offset];
if (alpha ==0 || beta == 0) return;
if( bS[0] < 4 ) {
int8_t tc[4];
tc[0] = tc0_table[index_a][bS[0*bsi]];
tc[1] = tc0_table[index_a][bS[1*bsi]];
tc[2] = tc0_table[index_a][bS[2*bsi]];
tc[3] = tc0_table[index_a][bS[3*bsi]];
h->h264dsp.h264_h_loop_filter_luma_mbaff(pix, stride, alpha, beta, tc);
} else {
h->h264dsp.h264_h_loop_filter_luma_mbaff_intra(pix, stride, alpha, beta);
}
} | https://github.com/libav/libav/blob/ecf026f1aa8ffe170b5b8c577cae56a405ebafc8/libavcodec/h264_loopfilter.c/#L149 |
d2a_code_data_42016 | static void unpack_input(const unsigned char *input, unsigned int *output)
{
unsigned int outbuffer[28];
unsigned short inbuffer[10];
unsigned int x;
unsigned int *ptr;
for (x=0;x<20;x+=2)
inbuffer[x/2]=(input[x]<<8)+input[x+1];
ptr=outbuffer;
*(ptr++)=27;
*(ptr++)=(inbuffer[0]>>10)&0x3f;
*(ptr++)=(inbuffer[0]>>5)&0x1f;
*(ptr++)=inbuffer[0]&0x1f;
*(ptr++)=(inbuffer[1]>>12)&0xf;
*(ptr++)=(inbuffer[1]>>8)&0xf;
*(ptr++)=(inbuffer[1]>>5)&7;
*(ptr++)=(inbuffer[1]>>2)&7;
*(ptr++)=((inbuffer[1]<<1)&6)|((inbuffer[2]>>15)&1);
*(ptr++)=(inbuffer[2]>>12)&7;
*(ptr++)=(inbuffer[2]>>10)&3;
*(ptr++)=(inbuffer[2]>>5)&0x1f;
*(ptr++)=((inbuffer[2]<<2)&0x7c)|((inbuffer[3]>>14)&3);
*(ptr++)=(inbuffer[3]>>6)&0xff;
*(ptr++)=((inbuffer[3]<<1)&0x7e)|((inbuffer[4]>>15)&1);
*(ptr++)=(inbuffer[4]>>8)&0x7f;
*(ptr++)=(inbuffer[4]>>1)&0x7f;
*(ptr++)=((inbuffer[4]<<7)&0x80)|((inbuffer[5]>>9)&0x7f);
*(ptr++)=(inbuffer[5]>>2)&0x7f;
*(ptr++)=((inbuffer[5]<<5)&0x60)|((inbuffer[6]>>11)&0x1f);
*(ptr++)=(inbuffer[6]>>4)&0x7f;
*(ptr++)=((inbuffer[6]<<4)&0xf0)|((inbuffer[7]>>12)&0xf);
*(ptr++)=(inbuffer[7]>>5)&0x7f;
*(ptr++)=((inbuffer[7]<<2)&0x7c)|((inbuffer[8]>>14)&3);
*(ptr++)=(inbuffer[8]>>7)&0x7f;
*(ptr++)=((inbuffer[8]<<1)&0xfe)|((inbuffer[9]>>15)&1);
*(ptr++)=(inbuffer[9]>>8)&0x7f;
*(ptr++)=(inbuffer[9]>>1)&0x7f;
*(output++)=outbuffer[11];
for (x=1;x<11;*(output++)=outbuffer[x++]);
ptr=outbuffer+12;
for (x=0;x<16;x+=4)
{
*(output++)=ptr[x];
*(output++)=ptr[x+2];
*(output++)=ptr[x+3];
*(output++)=ptr[x+1];
}
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/ra144.c/#L270 |
d2a_code_data_42017 | ssize_t
ngx_parse_size(ngx_str_t *line)
{
u_char unit;
size_t len;
ssize_t size;
ngx_int_t scale;
len = line->len;
unit = line->data[len - 1];
switch (unit) {
case 'K':
case 'k':
len--;
scale = 1024;
break;
case 'M':
case 'm':
len--;
scale = 1024 * 1024;
break;
default:
scale = 1;
}
size = ngx_atosz(line->data, len);
if (size == NGX_ERROR) {
return NGX_ERROR;
}
size *= scale;
return size;
} | https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/core/ngx_parse.c/#L20 |
d2a_code_data_42018 | static void av_always_inline filter_mb_edgev( uint8_t *pix, int stride, const int16_t bS[4], unsigned int qp, H264Context *h) {
const int qp_bd_offset = 6 * (h->sps.bit_depth_luma - 8);
const unsigned int index_a = qp - qp_bd_offset + h->slice_alpha_c0_offset;
const int alpha = alpha_table[index_a];
const int beta = beta_table[qp - qp_bd_offset + h->slice_beta_offset];
if (alpha ==0 || beta == 0) return;
if( bS[0] < 4 ) {
int8_t tc[4];
tc[0] = tc0_table[index_a][bS[0]];
tc[1] = tc0_table[index_a][bS[1]];
tc[2] = tc0_table[index_a][bS[2]];
tc[3] = tc0_table[index_a][bS[3]];
h->h264dsp.h264_h_loop_filter_luma(pix, stride, alpha, beta, tc);
} else {
h->h264dsp.h264_h_loop_filter_luma_intra(pix, stride, alpha, beta);
}
} | https://github.com/libav/libav/blob/ecf026f1aa8ffe170b5b8c577cae56a405ebafc8/libavcodec/h264_loopfilter.c/#L112 |
d2a_code_data_42019 | void CRYPTO_free(void *str)
{
#ifndef OPENSSL_NO_CRYPTO_MDEBUG
if (call_malloc_debug) {
CRYPTO_mem_debug_free(str, 0);
free(str);
CRYPTO_mem_debug_free(str, 1);
} else {
free(str);
}
#else
free(str);
#endif
} | https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/crypto/mem.c/#L245 |
d2a_code_data_42020 | int ossl_init_thread_start(uint64_t opts)
{
struct thread_local_inits_st *locals = ossl_init_get_thread_local(1);
if (locals == NULL)
return 0;
if (opts & OPENSSL_INIT_THREAD_ASYNC) {
#ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_start: "
"marking thread for async\n");
#endif
locals->async = 1;
}
if (opts & OPENSSL_INIT_THREAD_ERR_STATE) {
#ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_start: "
"marking thread for err_state\n");
#endif
locals->err_state = 1;
}
return 1;
} | https://github.com/openssl/openssl/blob/91056e72693b4ee8cb5339d9091871ffc3b6f776/crypto/init.c/#L388 |
d2a_code_data_42021 | int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
{
assert(pkt->subs != NULL && len != 0);
if (pkt->subs == NULL || len == 0)
return 0;
if (pkt->maxsize - pkt->written < len)
return 0;
if (pkt->buf->length - pkt->written < len) {
size_t newlen;
size_t reflen;
reflen = (len > pkt->buf->length) ? len : pkt->buf->length;
if (reflen > SIZE_MAX / 2) {
newlen = SIZE_MAX;
} else {
newlen = reflen * 2;
if (newlen < DEFAULT_BUF_SIZE)
newlen = DEFAULT_BUF_SIZE;
}
if (BUF_MEM_grow(pkt->buf, newlen) == 0)
return 0;
}
*allocbytes = (unsigned char *)pkt->buf->data + pkt->curr;
return 1;
} | https://github.com/openssl/openssl/blob/e4e1aa903e624044d3319622fc50222f1b2c7328/ssl/packet.c/#L46 |
d2a_code_data_42022 | static int early_select_server_ctx(SSL *s, void *arg, int ignore)
{
const char *servername;
const unsigned char *p;
size_t len, remaining;
HANDSHAKE_EX_DATA *ex_data =
(HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
if (!SSL_early_get0_ext(s, TLSEXT_TYPE_server_name, &p, &remaining) ||
remaining <= 2)
return 0;
len = (*(p++) << 1);
len += *(p++);
if (len + 2 != remaining)
return 0;
remaining = len;
if (remaining == 0 || *p++ != TLSEXT_NAMETYPE_host_name)
return 0;
remaining--;
if (remaining <= 2)
return 0;
len = (*(p++) << 1);
len += *(p++);
if (len + 2 > remaining)
return 0;
remaining = len;
servername = (const char *)p;
if (len == strlen("server2") && strncmp(servername, "server2", len) == 0) {
SSL_CTX *new_ctx = arg;
SSL_set_SSL_CTX(s, new_ctx);
SSL_clear_options(s, 0xFFFFFFFFL);
SSL_set_options(s, SSL_CTX_get_options(new_ctx));
ex_data->servername = SSL_TEST_SERVERNAME_SERVER2;
return 1;
} else if (len == strlen("server1") &&
strncmp(servername, "server1", len) == 0) {
ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
return 1;
} else if (ignore) {
ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
return 1;
}
return 0;
} | https://github.com/openssl/openssl/blob/0f5df0f1037590de12cc11eeab26fe29bf3f16a3/test/handshake_helper.c/#L198 |
d2a_code_data_42023 | void *OPENSSL_LH_delete(OPENSSL_LHASH *lh, const void *data)
{
unsigned long hash;
OPENSSL_LH_NODE *nn, **rn;
void *ret;
lh->error = 0;
rn = getrn(lh, data, &hash);
if (*rn == NULL) {
lh->num_no_delete++;
return (NULL);
} else {
nn = *rn;
*rn = nn->next;
ret = nn->data;
OPENSSL_free(nn);
lh->num_delete++;
}
lh->num_items--;
if ((lh->num_nodes > MIN_NODES) &&
(lh->down_load >= (lh->num_items * LH_LOAD_MULT / lh->num_nodes)))
contract(lh);
return (ret);
} | https://github.com/openssl/openssl/blob/2a7de0fd5d9baf946ef4d2c51096b04dd47a8143/crypto/lhash/lhash.c/#L123 |
d2a_code_data_42024 | void ff_mpa_synth_filter(MPA_INT *synth_buf_ptr, int *synth_buf_offset,
MPA_INT *window, int *dither_state,
OUT_INT *samples, int incr,
int32_t sb_samples[SBLIMIT])
{
int32_t tmp[32];
register MPA_INT *synth_buf;
register const MPA_INT *w, *w2, *p;
int j, offset, v;
OUT_INT *samples2;
#if FRAC_BITS <= 15
int sum, sum2;
#else
int64_t sum, sum2;
#endif
dct32(tmp, sb_samples);
offset = *synth_buf_offset;
synth_buf = synth_buf_ptr + offset;
for(j=0;j<32;j++) {
v = tmp[j];
#if FRAC_BITS <= 15
v = av_clip_int16(v);
#endif
synth_buf[j] = v;
}
memcpy(synth_buf + 512, synth_buf, 32 * sizeof(MPA_INT));
samples2 = samples + 31 * incr;
w = window;
w2 = window + 31;
sum = *dither_state;
p = synth_buf + 16;
SUM8(sum, +=, w, p);
p = synth_buf + 48;
SUM8(sum, -=, w + 32, p);
*samples = round_sample(&sum);
samples += incr;
w++;
for(j=1;j<16;j++) {
sum2 = 0;
p = synth_buf + 16 + j;
SUM8P2(sum, +=, sum2, -=, w, w2, p);
p = synth_buf + 48 - j;
SUM8P2(sum, -=, sum2, -=, w + 32, w2 + 32, p);
*samples = round_sample(&sum);
samples += incr;
sum += sum2;
*samples2 = round_sample(&sum);
samples2 -= incr;
w++;
w2--;
}
p = synth_buf + 32;
SUM8(sum, -=, w + 32, p);
*samples = round_sample(&sum);
*dither_state= sum;
offset = (offset - 32) & 511;
*synth_buf_offset = offset;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/mpegaudiodec.c/#L909 |
d2a_code_data_42025 | int av_samples_get_buffer_size(int *linesize, int nb_channels, int nb_samples,
enum AVSampleFormat sample_fmt, int align)
{
int line_size;
int sample_size = av_get_bytes_per_sample(sample_fmt);
int planar = av_sample_fmt_is_planar(sample_fmt);
if (!sample_size || nb_samples <= 0 || nb_channels <= 0)
return AVERROR(EINVAL);
if (!align) {
if (nb_samples > INT_MAX - 31)
return AVERROR(EINVAL);
align = 1;
nb_samples = FFALIGN(nb_samples, 32);
}
if (nb_channels > INT_MAX / align ||
(int64_t)nb_channels * nb_samples > (INT_MAX - (align * nb_channels)) / sample_size)
return AVERROR(EINVAL);
line_size = planar ? FFALIGN(nb_samples * sample_size, align) :
FFALIGN(nb_samples * sample_size * nb_channels, align);
if (linesize)
*linesize = line_size;
return planar ? line_size * nb_channels : line_size;
} | https://github.com/libav/libav/blob/0e830094ad0dc251613a0aa3234d9c5c397e02e6/libavutil/samplefmt.c/#L124 |
d2a_code_data_42026 | int ff_wma_init(AVCodecContext * avctx, int flags2)
{
WMACodecContext *s = avctx->priv_data;
int i;
float *window;
float bps1, high_freq;
volatile float bps;
int sample_rate1;
int coef_vlc_table;
if( avctx->sample_rate<=0 || avctx->sample_rate>50000
|| avctx->channels<=0 || avctx->channels>8
|| avctx->bit_rate<=0)
return -1;
s->sample_rate = avctx->sample_rate;
s->nb_channels = avctx->channels;
s->bit_rate = avctx->bit_rate;
s->block_align = avctx->block_align;
dsputil_init(&s->dsp, avctx);
if (avctx->codec->id == CODEC_ID_WMAV1) {
s->version = 1;
} else {
s->version = 2;
}
if (s->sample_rate <= 16000) {
s->frame_len_bits = 9;
} else if (s->sample_rate <= 22050 ||
(s->sample_rate <= 32000 && s->version == 1)) {
s->frame_len_bits = 10;
} else {
s->frame_len_bits = 11;
}
s->frame_len = 1 << s->frame_len_bits;
if (s->use_variable_block_len) {
int nb_max, nb;
nb = ((flags2 >> 3) & 3) + 1;
if ((s->bit_rate / s->nb_channels) >= 32000)
nb += 2;
nb_max = s->frame_len_bits - BLOCK_MIN_BITS;
if (nb > nb_max)
nb = nb_max;
s->nb_block_sizes = nb + 1;
} else {
s->nb_block_sizes = 1;
}
s->use_noise_coding = 1;
high_freq = s->sample_rate * 0.5;
sample_rate1 = s->sample_rate;
if (s->version == 2) {
if (sample_rate1 >= 44100)
sample_rate1 = 44100;
else if (sample_rate1 >= 22050)
sample_rate1 = 22050;
else if (sample_rate1 >= 16000)
sample_rate1 = 16000;
else if (sample_rate1 >= 11025)
sample_rate1 = 11025;
else if (sample_rate1 >= 8000)
sample_rate1 = 8000;
}
bps = (float)s->bit_rate / (float)(s->nb_channels * s->sample_rate);
s->byte_offset_bits = av_log2((int)(bps * s->frame_len / 8.0 + 0.5)) + 2;
bps1 = bps;
if (s->nb_channels == 2)
bps1 = bps * 1.6;
if (sample_rate1 == 44100) {
if (bps1 >= 0.61)
s->use_noise_coding = 0;
else
high_freq = high_freq * 0.4;
} else if (sample_rate1 == 22050) {
if (bps1 >= 1.16)
s->use_noise_coding = 0;
else if (bps1 >= 0.72)
high_freq = high_freq * 0.7;
else
high_freq = high_freq * 0.6;
} else if (sample_rate1 == 16000) {
if (bps > 0.5)
high_freq = high_freq * 0.5;
else
high_freq = high_freq * 0.3;
} else if (sample_rate1 == 11025) {
high_freq = high_freq * 0.7;
} else if (sample_rate1 == 8000) {
if (bps <= 0.625) {
high_freq = high_freq * 0.5;
} else if (bps > 0.75) {
s->use_noise_coding = 0;
} else {
high_freq = high_freq * 0.65;
}
} else {
if (bps >= 0.8) {
high_freq = high_freq * 0.75;
} else if (bps >= 0.6) {
high_freq = high_freq * 0.6;
} else {
high_freq = high_freq * 0.5;
}
}
dprintf(s->avctx, "flags2=0x%x\n", flags2);
dprintf(s->avctx, "version=%d channels=%d sample_rate=%d bitrate=%d block_align=%d\n",
s->version, s->nb_channels, s->sample_rate, s->bit_rate,
s->block_align);
dprintf(s->avctx, "bps=%f bps1=%f high_freq=%f bitoffset=%d\n",
bps, bps1, high_freq, s->byte_offset_bits);
dprintf(s->avctx, "use_noise_coding=%d use_exp_vlc=%d nb_block_sizes=%d\n",
s->use_noise_coding, s->use_exp_vlc, s->nb_block_sizes);
{
int a, b, pos, lpos, k, block_len, i, j, n;
const uint8_t *table;
if (s->version == 1) {
s->coefs_start = 3;
} else {
s->coefs_start = 0;
}
for(k = 0; k < s->nb_block_sizes; k++) {
block_len = s->frame_len >> k;
if (s->version == 1) {
lpos = 0;
for(i=0;i<25;i++) {
a = wma_critical_freqs[i];
b = s->sample_rate;
pos = ((block_len * 2 * a) + (b >> 1)) / b;
if (pos > block_len)
pos = block_len;
s->exponent_bands[0][i] = pos - lpos;
if (pos >= block_len) {
i++;
break;
}
lpos = pos;
}
s->exponent_sizes[0] = i;
} else {
table = NULL;
a = s->frame_len_bits - BLOCK_MIN_BITS - k;
if (a < 3) {
if (s->sample_rate >= 44100)
table = exponent_band_44100[a];
else if (s->sample_rate >= 32000)
table = exponent_band_32000[a];
else if (s->sample_rate >= 22050)
table = exponent_band_22050[a];
}
if (table) {
n = *table++;
for(i=0;i<n;i++)
s->exponent_bands[k][i] = table[i];
s->exponent_sizes[k] = n;
} else {
j = 0;
lpos = 0;
for(i=0;i<25;i++) {
a = wma_critical_freqs[i];
b = s->sample_rate;
pos = ((block_len * 2 * a) + (b << 1)) / (4 * b);
pos <<= 2;
if (pos > block_len)
pos = block_len;
if (pos > lpos)
s->exponent_bands[k][j++] = pos - lpos;
if (pos >= block_len)
break;
lpos = pos;
}
s->exponent_sizes[k] = j;
}
}
s->coefs_end[k] = (s->frame_len - ((s->frame_len * 9) / 100)) >> k;
s->high_band_start[k] = (int)((block_len * 2 * high_freq) /
s->sample_rate + 0.5);
n = s->exponent_sizes[k];
j = 0;
pos = 0;
for(i=0;i<n;i++) {
int start, end;
start = pos;
pos += s->exponent_bands[k][i];
end = pos;
if (start < s->high_band_start[k])
start = s->high_band_start[k];
if (end > s->coefs_end[k])
end = s->coefs_end[k];
if (end > start)
s->exponent_high_bands[k][j++] = end - start;
}
s->exponent_high_sizes[k] = j;
#if 0
tprintf(s->avctx, "%5d: coefs_end=%d high_band_start=%d nb_high_bands=%d: ",
s->frame_len >> k,
s->coefs_end[k],
s->high_band_start[k],
s->exponent_high_sizes[k]);
for(j=0;j<s->exponent_high_sizes[k];j++)
tprintf(s->avctx, " %d", s->exponent_high_bands[k][j]);
tprintf(s->avctx, "\n");
#endif
}
}
#ifdef TRACE
{
int i, j;
for(i = 0; i < s->nb_block_sizes; i++) {
tprintf(s->avctx, "%5d: n=%2d:",
s->frame_len >> i,
s->exponent_sizes[i]);
for(j=0;j<s->exponent_sizes[i];j++)
tprintf(s->avctx, " %d", s->exponent_bands[i][j]);
tprintf(s->avctx, "\n");
}
}
#endif
for(i = 0; i < s->nb_block_sizes; i++) {
int n, j;
float alpha;
n = 1 << (s->frame_len_bits - i);
window = av_malloc(sizeof(float) * n);
alpha = M_PI / (2.0 * n);
for(j=0;j<n;j++) {
window[j] = sin((j + 0.5) * alpha);
}
s->windows[i] = window;
}
s->reset_block_lengths = 1;
if (s->use_noise_coding) {
if (s->use_exp_vlc)
s->noise_mult = 0.02;
else
s->noise_mult = 0.04;
#ifdef TRACE
for(i=0;i<NOISE_TAB_SIZE;i++)
s->noise_table[i] = 1.0 * s->noise_mult;
#else
{
unsigned int seed;
float norm;
seed = 1;
norm = (1.0 / (float)(1LL << 31)) * sqrt(3) * s->noise_mult;
for(i=0;i<NOISE_TAB_SIZE;i++) {
seed = seed * 314159 + 1;
s->noise_table[i] = (float)((int)seed) * norm;
}
}
#endif
}
coef_vlc_table = 2;
if (s->sample_rate >= 32000) {
if (bps1 < 0.72)
coef_vlc_table = 0;
else if (bps1 < 1.16)
coef_vlc_table = 1;
}
s->coef_vlcs[0]= &coef_vlcs[coef_vlc_table * 2 ];
s->coef_vlcs[1]= &coef_vlcs[coef_vlc_table * 2 + 1];
init_coef_vlc(&s->coef_vlc[0], &s->run_table[0], &s->level_table[0], &s->int_table[0],
s->coef_vlcs[0]);
init_coef_vlc(&s->coef_vlc[1], &s->run_table[1], &s->level_table[1], &s->int_table[1],
s->coef_vlcs[1]);
return 0;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/wma.c/#L227 |
d2a_code_data_42027 | void *OPENSSL_LH_delete(OPENSSL_LHASH *lh, const void *data)
{
unsigned long hash;
OPENSSL_LH_NODE *nn, **rn;
void *ret;
lh->error = 0;
rn = getrn(lh, data, &hash);
if (*rn == NULL) {
lh->num_no_delete++;
return (NULL);
} else {
nn = *rn;
*rn = nn->next;
ret = nn->data;
OPENSSL_free(nn);
lh->num_delete++;
}
lh->num_items--;
if ((lh->num_nodes > MIN_NODES) &&
(lh->down_load >= (lh->num_items * LH_LOAD_MULT / lh->num_nodes)))
contract(lh);
return (ret);
} | https://github.com/openssl/openssl/blob/f3ab6c16c424054c8d6d2c152744dcbaf41c3232/crypto/lhash/lhash.c/#L123 |
d2a_code_data_42028 | void ff_mpa_synth_filter(MPA_INT *synth_buf_ptr, int *synth_buf_offset,
MPA_INT *window, int *dither_state,
OUT_INT *samples, int incr,
int32_t sb_samples[SBLIMIT])
{
int32_t tmp[32];
register MPA_INT *synth_buf;
register const MPA_INT *w, *w2, *p;
int j, offset, v;
OUT_INT *samples2;
#if FRAC_BITS <= 15
int sum, sum2;
#else
int64_t sum, sum2;
#endif
dct32(tmp, sb_samples);
offset = *synth_buf_offset;
synth_buf = synth_buf_ptr + offset;
for(j=0;j<32;j++) {
v = tmp[j];
#if FRAC_BITS <= 15
v = av_clip_int16(v);
#endif
synth_buf[j] = v;
}
memcpy(synth_buf + 512, synth_buf, 32 * sizeof(MPA_INT));
samples2 = samples + 31 * incr;
w = window;
w2 = window + 31;
sum = *dither_state;
p = synth_buf + 16;
SUM8(sum, +=, w, p);
p = synth_buf + 48;
SUM8(sum, -=, w + 32, p);
*samples = round_sample(&sum);
samples += incr;
w++;
for(j=1;j<16;j++) {
sum2 = 0;
p = synth_buf + 16 + j;
SUM8P2(sum, +=, sum2, -=, w, w2, p);
p = synth_buf + 48 - j;
SUM8P2(sum, -=, sum2, -=, w + 32, w2 + 32, p);
*samples = round_sample(&sum);
samples += incr;
sum += sum2;
*samples2 = round_sample(&sum);
samples2 -= incr;
w++;
w2--;
}
p = synth_buf + 32;
SUM8(sum, -=, w + 32, p);
*samples = round_sample(&sum);
*dither_state= sum;
offset = (offset - 32) & 511;
*synth_buf_offset = offset;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/mpegaudiodec.c/#L923 |
d2a_code_data_42029 | static int tree_add_unmatched(X509_POLICY_LEVEL *curr,
const X509_POLICY_CACHE *cache,
const ASN1_OBJECT *id,
X509_POLICY_NODE *node, X509_POLICY_TREE *tree)
{
X509_POLICY_DATA *data;
if (id == NULL)
id = node->data->valid_policy;
if ((data = policy_data_new(NULL, id, node_critical(node))) == NULL)
return 0;
data->qualifier_set = cache->anyPolicy->qualifier_set;
data->flags |= POLICY_DATA_FLAG_SHARED_QUALIFIERS;
if (level_add_node(curr, data, node, tree) == NULL) {
policy_data_free(data);
return 0;
}
return 1;
} | https://github.com/openssl/openssl/blob/895c2f84a6a083fc8b9f69f962ed19da12ce3b40/crypto/x509v3/pcy_tree.c/#L360 |
d2a_code_data_42030 | static int bnrand(int pseudorand, BIGNUM *rnd, int bits, int top, int bottom)
{
unsigned char *buf = NULL;
int ret = 0, bit, bytes, mask;
time_t tim;
if (bits == 0) {
if (top != BN_RAND_TOP_ANY || bottom != BN_RAND_BOTTOM_ANY)
goto toosmall;
BN_zero(rnd);
return 1;
}
if (bits < 0 || (bits == 1 && top > 0))
goto toosmall;
bytes = (bits + 7) / 8;
bit = (bits - 1) % 8;
mask = 0xff << (bit + 1);
buf = OPENSSL_malloc(bytes);
if (buf == NULL) {
BNerr(BN_F_BNRAND, ERR_R_MALLOC_FAILURE);
goto err;
}
time(&tim);
RAND_add(&tim, sizeof(tim), 0.0);
if (RAND_bytes(buf, bytes) <= 0)
goto err;
if (pseudorand == 2) {
int i;
unsigned char c;
for (i = 0; i < bytes; i++) {
if (RAND_bytes(&c, 1) <= 0)
goto err;
if (c >= 128 && i > 0)
buf[i] = buf[i - 1];
else if (c < 42)
buf[i] = 0;
else if (c < 84)
buf[i] = 255;
}
}
if (top >= 0) {
if (top) {
if (bit == 0) {
buf[0] = 1;
buf[1] |= 0x80;
} else {
buf[0] |= (3 << (bit - 1));
}
} else {
buf[0] |= (1 << bit);
}
}
buf[0] &= ~mask;
if (bottom)
buf[bytes - 1] |= 1;
if (!BN_bin2bn(buf, bytes, rnd))
goto err;
ret = 1;
err:
OPENSSL_clear_free(buf, bytes);
bn_check_top(rnd);
return (ret);
toosmall:
BNerr(BN_F_BNRAND, BN_R_BITS_TOO_SMALL);
return 0;
} | https://github.com/openssl/openssl/blob/b3618f44a7b8504bfb0a64e8a33e6b8e56d4d516/crypto/bn/bn_rand.c/#L82 |
d2a_code_data_42031 | size_t av_strlcatf(char *dst, size_t size, const char *fmt, ...)
{
int len = strlen(dst);
va_list vl;
va_start(vl, fmt);
len += vsnprintf(dst + len, size > len ? size - len : 0, fmt, vl);
va_end(vl);
return len;
} | https://github.com/libav/libav/blob/436ced244fadcde2c0b925627920e84b25482542/libavutil/avstring.c/#L105 |
d2a_code_data_42032 | static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
{
MOVStts *ctts_entries;
uint32_t entries = 0;
uint32_t atom_size;
int i;
ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries));
ctts_entries[0].count = 1;
ctts_entries[0].duration = track->cluster[0].cts;
for (i = 1; i < track->entry; i++) {
if (track->cluster[i].cts == ctts_entries[entries].duration) {
ctts_entries[entries].count++;
} else {
entries++;
ctts_entries[entries].duration = track->cluster[i].cts;
ctts_entries[entries].count = 1;
}
}
entries++;
atom_size = 16 + (entries * 8);
avio_wb32(pb, atom_size);
ffio_wfourcc(pb, "ctts");
avio_wb32(pb, 0);
avio_wb32(pb, entries);
for (i = 0; i < entries; i++) {
avio_wb32(pb, ctts_entries[i].count);
avio_wb32(pb, ctts_entries[i].duration);
}
av_free(ctts_entries);
return atom_size;
} | https://github.com/libav/libav/blob/6f1960ab71b4f18551243ce22d01913108265233/libavformat/movenc.c/#L1163 |
d2a_code_data_42033 | ngx_int_t
ngx_http_set_exten(ngx_http_request_t *r)
{
ngx_int_t i;
r->exten.len = 0;
r->exten.data = NULL;
for (i = r->uri.len - 1; i > 1; i--) {
if (r->uri.data[i] == '.' && r->uri.data[i - 1] != '/') {
r->exten.len = r->uri.len - i - 1;
r->exten.data = &r->uri.data[i + 1];
break;
} else if (r->uri.data[i] == '/') {
break;
}
}
return NGX_OK;
} | https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/http/ngx_http_core_module.c/#L1622 |
d2a_code_data_42034 | static int error_check(DRBG_SELFTEST_DATA *td)
{
static char zero[sizeof(RAND_DRBG)];
RAND_DRBG *drbg = NULL;
TEST_CTX t;
unsigned char buff[1024];
unsigned int reseed_counter_tmp;
int ret = 0;
if (!TEST_ptr(drbg = RAND_DRBG_new(0, 0, NULL)))
goto err;
if (!init(drbg, td, &t)
|| RAND_DRBG_instantiate(drbg, td->pers, drbg->max_pers + 1) > 0)
goto err;
t.entlen = 0;
if (TEST_int_le(RAND_DRBG_instantiate(drbg, td->pers, td->perslen), 0))
goto err;
if (!TEST_false(RAND_DRBG_generate(drbg, buff, td->exlen, 0,
td->adin, td->adinlen))
|| !uninstantiate(drbg))
goto err;
t.entlen = drbg->min_entropy - 1;
if (!init(drbg, td, &t)
|| RAND_DRBG_instantiate(drbg, td->pers, td->perslen) > 0
|| !uninstantiate(drbg))
goto err;
t.entlen = drbg->max_entropy + 1;
if (!init(drbg, td, &t)
|| RAND_DRBG_instantiate(drbg, td->pers, td->perslen) > 0
|| !uninstantiate(drbg))
goto err;
if (drbg->min_nonce) {
t.noncelen = drbg->min_nonce - 1;
if (!init(drbg, td, &t)
|| RAND_DRBG_instantiate(drbg, td->pers, td->perslen) > 0
|| !uninstantiate(drbg))
goto err;
}
if (drbg->max_nonce) {
t.noncelen = drbg->max_nonce + 1;
if (!init(drbg, td, &t)
|| RAND_DRBG_instantiate(drbg, td->pers, td->perslen) > 0
|| !uninstantiate(drbg))
goto err;
}
if (!instantiate(drbg, td, &t)
|| !TEST_true(RAND_DRBG_generate(drbg, buff, td->exlen, 0,
td->adin, td->adinlen)))
goto err;
if (!TEST_false(RAND_DRBG_generate(drbg, buff, drbg->max_request + 1, 0,
td->adin, td->adinlen)))
goto err;
if (!TEST_false(RAND_DRBG_generate(drbg, buff, td->exlen, 0,
td->adin, drbg->max_adin + 1)))
goto err;
t.entlen = 0;
if (TEST_false(RAND_DRBG_generate(drbg, buff, td->exlen, 1,
td->adin, td->adinlen))
|| !uninstantiate(drbg))
goto err;
if (!instantiate(drbg, td, &t))
goto err;
reseed_counter_tmp = drbg->reseed_counter;
drbg->reseed_counter = drbg->reseed_interval;
t.entcnt = 0;
if (!TEST_true(RAND_DRBG_generate(drbg, buff, td->exlen, 0,
td->adin, td->adinlen))
|| !TEST_int_eq(t.entcnt, 1)
|| !TEST_int_eq(drbg->reseed_counter, reseed_counter_tmp + 1)
|| !uninstantiate(drbg))
goto err;
t.entlen = 0;
if (!TEST_false(RAND_DRBG_generate(drbg, buff, td->exlen, 1,
td->adin, td->adinlen))
|| !uninstantiate(drbg))
goto err;
if (!instantiate(drbg, td, &t))
goto err;
reseed_counter_tmp = drbg->reseed_counter;
drbg->reseed_counter = drbg->reseed_interval;
t.entcnt = 0;
if (!TEST_true(RAND_DRBG_generate(drbg, buff, td->exlen, 0,
td->adin, td->adinlen))
|| !TEST_int_eq(t.entcnt, 1)
|| !TEST_int_eq(drbg->reseed_counter, reseed_counter_tmp + 1)
|| !uninstantiate(drbg))
goto err;
if (!init(drbg, td, &t)
|| RAND_DRBG_reseed(drbg, td->adin, drbg->max_adin + 1) > 0)
goto err;
t.entlen = 0;
if (!TEST_int_le(RAND_DRBG_reseed(drbg, td->adin, td->adinlen), 0)
|| !uninstantiate(drbg))
goto err;
if (!init(drbg, td, &t))
goto err;
t.entlen = drbg->max_entropy + 1;
if (!TEST_int_le(RAND_DRBG_reseed(drbg, td->adin, td->adinlen), 0)
|| !uninstantiate(drbg))
goto err;
if (!init(drbg, td, &t))
goto err;
t.entlen = drbg->min_entropy - 1;
if (!TEST_int_le(RAND_DRBG_reseed(drbg, td->adin, td->adinlen), 0)
|| !uninstantiate(drbg))
goto err;
if (!TEST_mem_eq(zero, sizeof(drbg->ctr), &drbg->ctr, sizeof(drbg->ctr)))
goto err;
ret = 1;
err:
uninstantiate(drbg);
RAND_DRBG_free(drbg);
return ret;
} | https://github.com/openssl/openssl/blob/a35f607c9f9112c649b367d05639394fc1c30771/test/drbgtest.c/#L308 |
d2a_code_data_42035 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/18e1e302452e6dea4500b6f981cee7e151294dea/crypto/bn/bn_ctx.c/#L268 |
d2a_code_data_42036 | int BN_num_bits_word(BN_ULONG l)
{
BN_ULONG x, mask;
int bits = (l != 0);
#if BN_BITS2 > 32
x = l >> 32;
mask = (0 - x) & BN_MASK2;
mask = (0 - (mask >> (BN_BITS2 - 1)));
bits += 32 & mask;
l ^= (x ^ l) & mask;
#endif
x = l >> 16;
mask = (0 - x) & BN_MASK2;
mask = (0 - (mask >> (BN_BITS2 - 1)));
bits += 16 & mask;
l ^= (x ^ l) & mask;
x = l >> 8;
mask = (0 - x) & BN_MASK2;
mask = (0 - (mask >> (BN_BITS2 - 1)));
bits += 8 & mask;
l ^= (x ^ l) & mask;
x = l >> 4;
mask = (0 - x) & BN_MASK2;
mask = (0 - (mask >> (BN_BITS2 - 1)));
bits += 4 & mask;
l ^= (x ^ l) & mask;
x = l >> 2;
mask = (0 - x) & BN_MASK2;
mask = (0 - (mask >> (BN_BITS2 - 1)));
bits += 2 & mask;
l ^= (x ^ l) & mask;
x = l >> 1;
mask = (0 - x) & BN_MASK2;
mask = (0 - (mask >> (BN_BITS2 - 1)));
bits += 1 & mask;
return bits;
} | https://github.com/openssl/openssl/blob/d4c69c69d171edb17b4d609c15891a9599809ed0/crypto/bn/bn_lib.c/#L97 |
d2a_code_data_42037 | char *glue_strings(const char *list[], size_t *out_len)
{
size_t len = 0;
char *p, *ret;
int i;
for (i = 0; list[i] != NULL; i++)
len += strlen(list[i]);
if (out_len != NULL)
*out_len = len;
if (!TEST_ptr(ret = p = OPENSSL_malloc(len + 1)))
return NULL;
for (i = 0; list[i] != NULL; i++)
p += strlen(strcpy(p, list[i]));
return ret;
} | https://github.com/openssl/openssl/blob/8ae173bb57819a23717fd3c8e7c51cb62f4268d0/test/testutil/driver.c/#L437 |
d2a_code_data_42038 | static int ssl_excert_prepend(SSL_EXCERT **pexc)
{
SSL_EXCERT *exc = app_malloc(sizeof(*exc), "prepend cert");
memset(exc, 0, sizeof(*exc));
exc->next = *pexc;
*pexc = exc;
if (exc->next) {
exc->certform = exc->next->certform;
exc->keyform = exc->next->keyform;
exc->next->prev = exc;
} else {
exc->certform = FORMAT_PEM;
exc->keyform = FORMAT_PEM;
}
return 1;
} | https://github.com/openssl/openssl/blob/ce506d27ab5e7d17dfe3fe649768a0d19b6c86ee/apps/s_cb.c/#L906 |
d2a_code_data_42039 | int ec_wNAF_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,
size_t num, const EC_POINT *points[], const BIGNUM *scalars[],
BN_CTX *ctx)
{
BN_CTX *new_ctx = NULL;
const EC_POINT *generator = NULL;
EC_POINT *tmp = NULL;
size_t totalnum;
size_t blocksize = 0, numblocks = 0;
size_t pre_points_per_block = 0;
size_t i, j;
int k;
int r_is_inverted = 0;
int r_is_at_infinity = 1;
size_t *wsize = NULL;
signed char **wNAF = NULL;
size_t *wNAF_len = NULL;
size_t max_len = 0;
size_t num_val;
EC_POINT **val = NULL;
EC_POINT **v;
EC_POINT ***val_sub = NULL;
const EC_PRE_COMP *pre_comp = NULL;
int num_scalar = 0;
int ret = 0;
if (!ec_point_is_compat(r, group)) {
ECerr(EC_F_EC_WNAF_MUL, EC_R_INCOMPATIBLE_OBJECTS);
return 0;
}
if ((scalar == NULL) && (num == 0)) {
return EC_POINT_set_to_infinity(group, r);
}
if (!BN_is_zero(group->order) && !BN_is_zero(group->cofactor)) {
if ((scalar != NULL) && (num == 0)) {
return ec_scalar_mul_ladder(group, r, scalar, NULL, ctx);
}
if ((scalar == NULL) && (num == 1)) {
return ec_scalar_mul_ladder(group, r, scalars[0], points[0], ctx);
}
}
for (i = 0; i < num; i++) {
if (!ec_point_is_compat(points[i], group)) {
ECerr(EC_F_EC_WNAF_MUL, EC_R_INCOMPATIBLE_OBJECTS);
return 0;
}
}
if (ctx == NULL) {
ctx = new_ctx = BN_CTX_new();
if (ctx == NULL)
goto err;
}
if (scalar != NULL) {
generator = EC_GROUP_get0_generator(group);
if (generator == NULL) {
ECerr(EC_F_EC_WNAF_MUL, EC_R_UNDEFINED_GENERATOR);
goto err;
}
pre_comp = group->pre_comp.ec;
if (pre_comp && pre_comp->numblocks
&& (EC_POINT_cmp(group, generator, pre_comp->points[0], ctx) ==
0)) {
blocksize = pre_comp->blocksize;
numblocks = (BN_num_bits(scalar) / blocksize) + 1;
if (numblocks > pre_comp->numblocks)
numblocks = pre_comp->numblocks;
pre_points_per_block = (size_t)1 << (pre_comp->w - 1);
if (pre_comp->num != (pre_comp->numblocks * pre_points_per_block)) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);
goto err;
}
} else {
pre_comp = NULL;
numblocks = 1;
num_scalar = 1;
}
}
totalnum = num + numblocks;
wsize = OPENSSL_malloc(totalnum * sizeof(wsize[0]));
wNAF_len = OPENSSL_malloc(totalnum * sizeof(wNAF_len[0]));
wNAF = OPENSSL_malloc((totalnum + 1) * sizeof(wNAF[0]));
val_sub = OPENSSL_malloc(totalnum * sizeof(val_sub[0]));
if (wNAF != NULL)
wNAF[0] = NULL;
if (wsize == NULL || wNAF_len == NULL || wNAF == NULL || val_sub == NULL) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE);
goto err;
}
num_val = 0;
for (i = 0; i < num + num_scalar; i++) {
size_t bits;
bits = i < num ? BN_num_bits(scalars[i]) : BN_num_bits(scalar);
wsize[i] = EC_window_bits_for_scalar_size(bits);
num_val += (size_t)1 << (wsize[i] - 1);
wNAF[i + 1] = NULL;
wNAF[i] =
bn_compute_wNAF((i < num ? scalars[i] : scalar), wsize[i],
&wNAF_len[i]);
if (wNAF[i] == NULL)
goto err;
if (wNAF_len[i] > max_len)
max_len = wNAF_len[i];
}
if (numblocks) {
if (pre_comp == NULL) {
if (num_scalar != 1) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);
goto err;
}
} else {
signed char *tmp_wNAF = NULL;
size_t tmp_len = 0;
if (num_scalar != 0) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);
goto err;
}
wsize[num] = pre_comp->w;
tmp_wNAF = bn_compute_wNAF(scalar, wsize[num], &tmp_len);
if (!tmp_wNAF)
goto err;
if (tmp_len <= max_len) {
numblocks = 1;
totalnum = num + 1;
wNAF[num] = tmp_wNAF;
wNAF[num + 1] = NULL;
wNAF_len[num] = tmp_len;
val_sub[num] = pre_comp->points;
} else {
signed char *pp;
EC_POINT **tmp_points;
if (tmp_len < numblocks * blocksize) {
numblocks = (tmp_len + blocksize - 1) / blocksize;
if (numblocks > pre_comp->numblocks) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);
OPENSSL_free(tmp_wNAF);
goto err;
}
totalnum = num + numblocks;
}
pp = tmp_wNAF;
tmp_points = pre_comp->points;
for (i = num; i < totalnum; i++) {
if (i < totalnum - 1) {
wNAF_len[i] = blocksize;
if (tmp_len < blocksize) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);
OPENSSL_free(tmp_wNAF);
goto err;
}
tmp_len -= blocksize;
} else
wNAF_len[i] = tmp_len;
wNAF[i + 1] = NULL;
wNAF[i] = OPENSSL_malloc(wNAF_len[i]);
if (wNAF[i] == NULL) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE);
OPENSSL_free(tmp_wNAF);
goto err;
}
memcpy(wNAF[i], pp, wNAF_len[i]);
if (wNAF_len[i] > max_len)
max_len = wNAF_len[i];
if (*tmp_points == NULL) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);
OPENSSL_free(tmp_wNAF);
goto err;
}
val_sub[i] = tmp_points;
tmp_points += pre_points_per_block;
pp += blocksize;
}
OPENSSL_free(tmp_wNAF);
}
}
}
val = OPENSSL_malloc((num_val + 1) * sizeof(val[0]));
if (val == NULL) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE);
goto err;
}
val[num_val] = NULL;
v = val;
for (i = 0; i < num + num_scalar; i++) {
val_sub[i] = v;
for (j = 0; j < ((size_t)1 << (wsize[i] - 1)); j++) {
*v = EC_POINT_new(group);
if (*v == NULL)
goto err;
v++;
}
}
if (!(v == val + num_val)) {
ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);
goto err;
}
if ((tmp = EC_POINT_new(group)) == NULL)
goto err;
for (i = 0; i < num + num_scalar; i++) {
if (i < num) {
if (!EC_POINT_copy(val_sub[i][0], points[i]))
goto err;
} else {
if (!EC_POINT_copy(val_sub[i][0], generator))
goto err;
}
if (wsize[i] > 1) {
if (!EC_POINT_dbl(group, tmp, val_sub[i][0], ctx))
goto err;
for (j = 1; j < ((size_t)1 << (wsize[i] - 1)); j++) {
if (!EC_POINT_add
(group, val_sub[i][j], val_sub[i][j - 1], tmp, ctx))
goto err;
}
}
}
if (!EC_POINTs_make_affine(group, num_val, val, ctx))
goto err;
r_is_at_infinity = 1;
for (k = max_len - 1; k >= 0; k--) {
if (!r_is_at_infinity) {
if (!EC_POINT_dbl(group, r, r, ctx))
goto err;
}
for (i = 0; i < totalnum; i++) {
if (wNAF_len[i] > (size_t)k) {
int digit = wNAF[i][k];
int is_neg;
if (digit) {
is_neg = digit < 0;
if (is_neg)
digit = -digit;
if (is_neg != r_is_inverted) {
if (!r_is_at_infinity) {
if (!EC_POINT_invert(group, r, ctx))
goto err;
}
r_is_inverted = !r_is_inverted;
}
if (r_is_at_infinity) {
if (!EC_POINT_copy(r, val_sub[i][digit >> 1]))
goto err;
r_is_at_infinity = 0;
} else {
if (!EC_POINT_add
(group, r, r, val_sub[i][digit >> 1], ctx))
goto err;
}
}
}
}
}
if (r_is_at_infinity) {
if (!EC_POINT_set_to_infinity(group, r))
goto err;
} else {
if (r_is_inverted)
if (!EC_POINT_invert(group, r, ctx))
goto err;
}
ret = 1;
err:
BN_CTX_free(new_ctx);
EC_POINT_free(tmp);
OPENSSL_free(wsize);
OPENSSL_free(wNAF_len);
if (wNAF != NULL) {
signed char **w;
for (w = wNAF; *w != NULL; w++)
OPENSSL_free(*w);
OPENSSL_free(wNAF);
}
if (val != NULL) {
for (v = val; *v != NULL; v++)
EC_POINT_clear_free(*v);
OPENSSL_free(val);
}
OPENSSL_free(val_sub);
return ret;
} | https://github.com/openssl/openssl/blob/66b0bca887eb4ad1f5758e56c45905fb3fc36667/crypto/ec/ec_mult.c/#L638 |
d2a_code_data_42040 | static int filter_frame(AVFilterLink *link, AVFrame *in)
{
ScaleContext *scale = link->dst->priv;
AVFilterLink *outlink = link->dst->outputs[0];
AVFrame *out;
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(link->format);
if (!scale->sws)
return ff_filter_frame(outlink, in);
scale->hsub = desc->log2_chroma_w;
scale->vsub = desc->log2_chroma_h;
out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
if (!out) {
av_frame_free(&in);
return AVERROR(ENOMEM);
}
av_frame_copy_props(out, in);
out->width = outlink->w;
out->height = outlink->h;
av_reduce(&out->sample_aspect_ratio.num, &out->sample_aspect_ratio.den,
(int64_t)in->sample_aspect_ratio.num * outlink->h * link->w,
(int64_t)in->sample_aspect_ratio.den * outlink->w * link->h,
INT_MAX);
sws_scale(scale->sws, in->data, in->linesize, 0, in->height,
out->data, out->linesize);
av_frame_free(&in);
return ff_filter_frame(outlink, out);
} | https://github.com/libav/libav/blob/5f87c277bd5caa09cc4f9061d4ccdd58dc121110/libavfilter/vf_scale.c/#L265 |
d2a_code_data_42041 | int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
{
assert(pkt->subs != NULL && len != 0);
if (pkt->subs == NULL || len == 0)
return 0;
if (pkt->maxsize - pkt->written < len)
return 0;
if (pkt->buf->length - pkt->written < len) {
size_t newlen;
size_t reflen;
reflen = (len > pkt->buf->length) ? len : pkt->buf->length;
if (reflen > SIZE_MAX / 2) {
newlen = SIZE_MAX;
} else {
newlen = reflen * 2;
if (newlen < DEFAULT_BUF_SIZE)
newlen = DEFAULT_BUF_SIZE;
}
if (BUF_MEM_grow(pkt->buf, newlen) == 0)
return 0;
}
*allocbytes = (unsigned char *)pkt->buf->data + pkt->curr;
return 1;
} | https://github.com/openssl/openssl/blob/e4e1aa903e624044d3319622fc50222f1b2c7328/ssl/packet.c/#L46 |
d2a_code_data_42042 | SSL_TEST_CTX *SSL_TEST_CTX_create(const CONF *conf, const char *test_section)
{
STACK_OF(CONF_VALUE) *sk_conf = NULL;
SSL_TEST_CTX *ctx = NULL;
int i;
size_t j;
if (!TEST_ptr(sk_conf = NCONF_get_section(conf, test_section))
|| !TEST_ptr(ctx = SSL_TEST_CTX_new()))
goto err;
for (i = 0; i < sk_CONF_VALUE_num(sk_conf); i++) {
int found = 0;
const CONF_VALUE *option = sk_CONF_VALUE_value(sk_conf, i);
if (strcmp(option->name, "client") == 0) {
if (!parse_client_options(&ctx->extra.client, conf, option->value))
goto err;
} else if (strcmp(option->name, "server") == 0) {
if (!parse_server_options(&ctx->extra.server, conf, option->value))
goto err;
} else if (strcmp(option->name, "server2") == 0) {
if (!parse_server_options(&ctx->extra.server2, conf, option->value))
goto err;
} else if (strcmp(option->name, "resume-client") == 0) {
if (!parse_client_options(&ctx->resume_extra.client, conf,
option->value))
goto err;
} else if (strcmp(option->name, "resume-server") == 0) {
if (!parse_server_options(&ctx->resume_extra.server, conf,
option->value))
goto err;
} else if (strcmp(option->name, "resume-server2") == 0) {
if (!parse_server_options(&ctx->resume_extra.server2, conf,
option->value))
goto err;
} else {
for (j = 0; j < OSSL_NELEM(ssl_test_ctx_options); j++) {
if (strcmp(option->name, ssl_test_ctx_options[j].name) == 0) {
if (!ssl_test_ctx_options[j].parse(ctx, option->value)) {
TEST_info("Bad value %s for option %s",
option->value, option->name);
goto err;
}
found = 1;
break;
}
}
if (!found) {
TEST_info("Unknown test option: %s", option->name);
goto err;
}
}
}
goto done;
err:
SSL_TEST_CTX_free(ctx);
ctx = NULL;
done:
return ctx;
} | https://github.com/openssl/openssl/blob/2b1aa1988189773497d6edba443cf77f5c31feba/test/ssl_test_ctx.c/#L868 |
d2a_code_data_42043 | static av_always_inline int cmp(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
const int size, const int h, int ref_index, int src_index,
me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
MotionEstContext * const c= &s->me;
const int stride= c->stride;
const int uvstride= c->uvstride;
const int qpel= flags&FLAG_QPEL;
const int chroma= flags&FLAG_CHROMA;
const int dxy= subx + (suby<<(1+qpel));
const int hx= subx + (x<<(1+qpel));
const int hy= suby + (y<<(1+qpel));
uint8_t * const * const ref= c->ref[ref_index];
uint8_t * const * const src= c->src[src_index];
int d;
if(flags&FLAG_DIRECT){
assert(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1));
if(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)){
const int time_pp= s->pp_time;
const int time_pb= s->pb_time;
const int mask= 2*qpel+1;
if(s->mv_type==MV_TYPE_8X8){
int i;
for(i=0; i<4; i++){
int fx = c->direct_basis_mv[i][0] + hx;
int fy = c->direct_basis_mv[i][1] + hy;
int bx = hx ? fx - c->co_located_mv[i][0] : c->co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(qpel+4));
int by = hy ? fy - c->co_located_mv[i][1] : c->co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(qpel+4));
int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
uint8_t *dst= c->temp + 8*(i&1) + 8*stride*(i>>1);
if(qpel){
c->qpel_put[1][fxy](dst, ref[0] + (fx>>2) + (fy>>2)*stride, stride);
c->qpel_avg[1][bxy](dst, ref[8] + (bx>>2) + (by>>2)*stride, stride);
}else{
c->hpel_put[1][fxy](dst, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 8);
c->hpel_avg[1][bxy](dst, ref[8] + (bx>>1) + (by>>1)*stride, stride, 8);
}
}
}else{
int fx = c->direct_basis_mv[0][0] + hx;
int fy = c->direct_basis_mv[0][1] + hy;
int bx = hx ? fx - c->co_located_mv[0][0] : (c->co_located_mv[0][0]*(time_pb - time_pp)/time_pp);
int by = hy ? fy - c->co_located_mv[0][1] : (c->co_located_mv[0][1]*(time_pb - time_pp)/time_pp);
int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
if(qpel){
c->qpel_put[1][fxy](c->temp , ref[0] + (fx>>2) + (fy>>2)*stride , stride);
c->qpel_put[1][fxy](c->temp + 8 , ref[0] + (fx>>2) + (fy>>2)*stride + 8 , stride);
c->qpel_put[1][fxy](c->temp + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8*stride, stride);
c->qpel_put[1][fxy](c->temp + 8 + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8 + 8*stride, stride);
c->qpel_avg[1][bxy](c->temp , ref[8] + (bx>>2) + (by>>2)*stride , stride);
c->qpel_avg[1][bxy](c->temp + 8 , ref[8] + (bx>>2) + (by>>2)*stride + 8 , stride);
c->qpel_avg[1][bxy](c->temp + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8*stride, stride);
c->qpel_avg[1][bxy](c->temp + 8 + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8 + 8*stride, stride);
}else{
assert((fx>>1) + 16*s->mb_x >= -16);
assert((fy>>1) + 16*s->mb_y >= -16);
assert((fx>>1) + 16*s->mb_x <= s->width);
assert((fy>>1) + 16*s->mb_y <= s->height);
assert((bx>>1) + 16*s->mb_x >= -16);
assert((by>>1) + 16*s->mb_y >= -16);
assert((bx>>1) + 16*s->mb_x <= s->width);
assert((by>>1) + 16*s->mb_y <= s->height);
c->hpel_put[0][fxy](c->temp, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 16);
c->hpel_avg[0][bxy](c->temp, ref[8] + (bx>>1) + (by>>1)*stride, stride, 16);
}
}
d = cmp_func(s, c->temp, src[0], stride, 16);
}else
d= 256*256*256*32;
}else{
int uvdxy;
if(dxy){
if(qpel){
c->qpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride);
if(chroma){
int cx= hx/2;
int cy= hy/2;
cx= (cx>>1)|(cx&1);
cy= (cy>>1)|(cy&1);
uvdxy= (cx&1) + 2*(cy&1);
}
}else{
c->hpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride, h);
if(chroma)
uvdxy= dxy | (x&1) | (2*(y&1));
}
d = cmp_func(s, c->temp, src[0], stride, h);
}else{
d = cmp_func(s, src[0], ref[0] + x + y*stride, stride, h);
if(chroma)
uvdxy= (x&1) + 2*(y&1);
}
if(chroma){
uint8_t * const uvtemp= c->temp + 16*stride;
c->hpel_put[size+1][uvdxy](uvtemp , ref[1] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
c->hpel_put[size+1][uvdxy](uvtemp+8, ref[2] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
d += chroma_cmp_func(s, uvtemp , src[1], uvstride, h>>1);
d += chroma_cmp_func(s, uvtemp+8, src[2], uvstride, h>>1);
}
}
#if 0
if(full_pel){
const int index= (((y)<<ME_MAP_SHIFT) + (x))&(ME_MAP_SIZE-1);
score_map[index]= d;
}
d += (c->mv_penalty[hx - c->pred_x] + c->mv_penalty[hy - c->pred_y])*c->penalty_factor;
#endif
return d;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est.c/#L176 |
d2a_code_data_42044 | static int check_chain_extensions(X509_STORE_CTX *ctx)
{
int i, ok = 0, must_be_ca, plen = 0;
X509 *x;
int (*cb) (int xok, X509_STORE_CTX *xctx);
int proxy_path_length = 0;
int purpose;
int allow_proxy_certs;
cb = ctx->verify_cb;
must_be_ca = -1;
if (ctx->parent) {
allow_proxy_certs = 0;
purpose = X509_PURPOSE_CRL_SIGN;
} else {
allow_proxy_certs =
! !(ctx->param->flags & X509_V_FLAG_ALLOW_PROXY_CERTS);
if (getenv("OPENSSL_ALLOW_PROXY_CERTS"))
allow_proxy_certs = 1;
purpose = ctx->param->purpose;
}
for (i = 0; i == 0 || i < ctx->num_untrusted; i++) {
int ret;
x = sk_X509_value(ctx->chain, i);
if (!(ctx->param->flags & X509_V_FLAG_IGNORE_CRITICAL)
&& (x->ex_flags & EXFLAG_CRITICAL)) {
ctx->error = X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION;
ctx->error_depth = i;
ctx->current_cert = x;
ok = cb(0, ctx);
if (!ok)
goto end;
}
if (!allow_proxy_certs && (x->ex_flags & EXFLAG_PROXY)) {
ctx->error = X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED;
ctx->error_depth = i;
ctx->current_cert = x;
ok = cb(0, ctx);
if (!ok)
goto end;
}
ret = X509_check_ca(x);
switch (must_be_ca) {
case -1:
if ((ctx->param->flags & X509_V_FLAG_X509_STRICT)
&& (ret != 1) && (ret != 0)) {
ret = 0;
ctx->error = X509_V_ERR_INVALID_CA;
} else
ret = 1;
break;
case 0:
if (ret != 0) {
ret = 0;
ctx->error = X509_V_ERR_INVALID_NON_CA;
} else
ret = 1;
break;
default:
if ((ret == 0)
|| ((ctx->param->flags & X509_V_FLAG_X509_STRICT)
&& (ret != 1))) {
ret = 0;
ctx->error = X509_V_ERR_INVALID_CA;
} else
ret = 1;
break;
}
if (ret == 0) {
ctx->error_depth = i;
ctx->current_cert = x;
ok = cb(0, ctx);
if (!ok)
goto end;
}
if (ctx->param->purpose > 0) {
ret = X509_check_purpose(x, purpose, must_be_ca > 0);
if ((ret == 0)
|| ((ctx->param->flags & X509_V_FLAG_X509_STRICT)
&& (ret != 1))) {
ctx->error = X509_V_ERR_INVALID_PURPOSE;
ctx->error_depth = i;
ctx->current_cert = x;
ok = cb(0, ctx);
if (!ok)
goto end;
}
}
if ((i > 1) && !(x->ex_flags & EXFLAG_SI)
&& (x->ex_pathlen != -1)
&& (plen > (x->ex_pathlen + proxy_path_length + 1))) {
ctx->error = X509_V_ERR_PATH_LENGTH_EXCEEDED;
ctx->error_depth = i;
ctx->current_cert = x;
ok = cb(0, ctx);
if (!ok)
goto end;
}
if (!(x->ex_flags & EXFLAG_SI))
plen++;
if (x->ex_flags & EXFLAG_PROXY) {
if (x->ex_pcpathlen != -1 && i > x->ex_pcpathlen) {
ctx->error = X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED;
ctx->error_depth = i;
ctx->current_cert = x;
ok = cb(0, ctx);
if (!ok)
goto end;
}
proxy_path_length++;
must_be_ca = 0;
} else
must_be_ca = 1;
}
ok = 1;
end:
return ok;
} | https://github.com/openssl/openssl/blob/25be7a0feacdbd3326774f0da8aaeb966c1f57f8/crypto/x509/x509_vfy.c/#L414 |
d2a_code_data_42045 | static int var_diamond_search(MpegEncContext * s, int *best, int dmin,
int src_index, int ref_index, int const penalty_factor,
int size, int h, int flags)
{
MotionEstContext * const c= &s->me;
me_cmp_func cmpf, chroma_cmpf;
int dia_size;
LOAD_COMMON
LOAD_COMMON2
int map_generation= c->map_generation;
cmpf= s->dsp.me_cmp[size];
chroma_cmpf= s->dsp.me_cmp[size+1];
for(dia_size=1; dia_size<=c->dia_size; dia_size++){
int dir, start, end;
const int x= best[0];
const int y= best[1];
start= FFMAX(0, y + dia_size - ymax);
end = FFMIN(dia_size, xmax - x + 1);
for(dir= start; dir<end; dir++){
int d;
CHECK_MV(x + dir , y + dia_size - dir);
}
start= FFMAX(0, x + dia_size - xmax);
end = FFMIN(dia_size, y - ymin + 1);
for(dir= start; dir<end; dir++){
int d;
CHECK_MV(x + dia_size - dir, y - dir );
}
start= FFMAX(0, -y + dia_size + ymin );
end = FFMIN(dia_size, x - xmin + 1);
for(dir= start; dir<end; dir++){
int d;
CHECK_MV(x - dir , y - dia_size + dir);
}
start= FFMAX(0, -x + dia_size + xmin );
end = FFMIN(dia_size, ymax - y + 1);
for(dir= start; dir<end; dir++){
int d;
CHECK_MV(x - dia_size + dir, y + dir );
}
if(x!=best[0] || y!=best[1])
dia_size=0;
#if 0
{
int dx, dy, i;
static int stats[8*8];
dx= FFABS(x-best[0]);
dy= FFABS(y-best[1]);
stats[dy*8 + dx] ++;
if(256*256*256*64 % (stats[0]+1)==0){
for(i=0; i<64; i++){
if((i&7)==0) printf("\n");
printf("%6d ", stats[i]);
}
printf("\n");
}
}
#endif
}
return dmin;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est_template.c/#L948 |
d2a_code_data_42046 | static int opt_vstats(const char *opt, const char *arg)
{
char filename[40];
time_t today2 = time(NULL);
struct tm *today = localtime(&today2);
snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
today->tm_sec);
return opt_vstats_file(opt, filename);
} | https://github.com/libav/libav/blob/74853ed3f845212f4092e7b7e89dc2262926f4f5/avconv.c/#L4712 |
d2a_code_data_42047 | static int ct_base64_decode(const char *in, unsigned char **out)
{
size_t inlen = strlen(in);
int outlen;
unsigned char *outbuf = NULL;
if (inlen == 0) {
*out = NULL;
return 0;
}
outlen = (inlen / 4) * 3;
outbuf = OPENSSL_malloc(outlen);
if (outbuf == NULL) {
CTerr(CT_F_CT_BASE64_DECODE, ERR_R_MALLOC_FAILURE);
goto err;
}
outlen = EVP_DecodeBlock(outbuf, (unsigned char *)in, inlen);
if (outlen < 0) {
CTerr(CT_F_CT_BASE64_DECODE, CT_R_BASE64_DECODE_ERROR);
goto err;
}
while (in[--inlen] == '=') {
--outlen;
}
*out = outbuf;
return outlen;
err:
OPENSSL_free(outbuf);
return -1;
} | https://github.com/openssl/openssl/blob/424aa352458486d67e1e9cd3d3990dc06a60ba4a/crypto/ct/ct_b64.c/#L49 |
d2a_code_data_42048 | static char *t_tob64(char *dst, const unsigned char *src, int size)
{
int c, pos = size % 3;
unsigned char b0 = 0, b1 = 0, b2 = 0, notleading = 0;
char *olddst = dst;
switch (pos) {
case 1:
b2 = src[0];
break;
case 2:
b1 = src[0];
b2 = src[1];
break;
}
while (1) {
c = (b0 & 0xfc) >> 2;
if (notleading || c != 0) {
*dst++ = b64table[c];
notleading = 1;
}
c = ((b0 & 3) << 4) | ((b1 & 0xf0) >> 4);
if (notleading || c != 0) {
*dst++ = b64table[c];
notleading = 1;
}
c = ((b1 & 0xf) << 2) | ((b2 & 0xc0) >> 6);
if (notleading || c != 0) {
*dst++ = b64table[c];
notleading = 1;
}
c = b2 & 0x3f;
if (notleading || c != 0) {
*dst++ = b64table[c];
notleading = 1;
}
if (pos >= size)
break;
else {
b0 = src[pos++];
b1 = src[pos++];
b2 = src[pos++];
}
}
*dst++ = '\0';
return olddst;
} | https://github.com/openssl/openssl/blob/9c46f4b9cd4912b61cb546c48b678488d7f26ed6/crypto/srp/srp_vfy.c/#L178 |
d2a_code_data_42049 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/b3618f44a7b8504bfb0a64e8a33e6b8e56d4d516/crypto/bn/bn_ctx.c/#L273 |
d2a_code_data_42050 | BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
{
bn_check_top(b);
if (a == b)
return a;
if (bn_wexpand(a, b->top) == NULL)
return NULL;
if (b->top > 0)
memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);
a->neg = b->neg;
a->top = b->top;
a->flags |= b->flags & BN_FLG_FIXED_TOP;
bn_check_top(a);
return a;
} | https://github.com/openssl/openssl/blob/ea09abc80892920ee5db4de82bed7a193b5896f0/crypto/bn/bn_lib.c/#L291 |
d2a_code_data_42051 | static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
{
#ifdef BITSTREAM_READER_LE
uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);
bc->bits >>= n;
#else
uint64_t ret = bc->bits >> (64 - n);
bc->bits <<= n;
#endif
bc->bits_left -= n;
return ret;
} | https://github.com/libav/libav/blob/562ef82d6a7f96f6b9da1219a5aaf7d9d7056f1b/libavcodec/bitstream.h/#L139 |
d2a_code_data_42052 | static int update_index(CA_DB *db, char **row)
{
char **irow;
int i;
irow = app_malloc(sizeof(*irow) * (DB_NUMBER + 1), "row pointers");
for (i = 0; i < DB_NUMBER; i++)
irow[i] = row[i];
irow[DB_NUMBER] = NULL;
if (!TXT_DB_insert(db->db, irow)) {
BIO_printf(bio_err, "failed to update srpvfile\n");
BIO_printf(bio_err, "TXT_DB error number %ld\n", db->db->error);
OPENSSL_free(irow);
return 0;
}
return 1;
} | https://github.com/openssl/openssl/blob/ce506d27ab5e7d17dfe3fe649768a0d19b6c86ee/apps/srp.c/#L102 |
d2a_code_data_42053 | char *X509_NAME_oneline(X509_NAME *a, char *buf, int len)
{
X509_NAME_ENTRY *ne;
int i;
int n, lold, l, l1, l2, num, j, type;
const char *s;
char *p;
unsigned char *q;
BUF_MEM *b = NULL;
static const char hex[17] = "0123456789ABCDEF";
int gs_doit[4];
char tmp_buf[80];
#ifdef CHARSET_EBCDIC
unsigned char ebcdic_buf[1024];
#endif
if (buf == NULL) {
if ((b = BUF_MEM_new()) == NULL)
goto err;
if (!BUF_MEM_grow(b, 200))
goto err;
b->data[0] = '\0';
len = 200;
} else if (len == 0) {
return NULL;
}
if (a == NULL) {
if (b) {
buf = b->data;
OPENSSL_free(b);
}
strncpy(buf, "NO X509_NAME", len);
buf[len - 1] = '\0';
return buf;
}
len--;
l = 0;
for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) {
ne = sk_X509_NAME_ENTRY_value(a->entries, i);
n = OBJ_obj2nid(ne->object);
if ((n == NID_undef) || ((s = OBJ_nid2sn(n)) == NULL)) {
i2t_ASN1_OBJECT(tmp_buf, sizeof(tmp_buf), ne->object);
s = tmp_buf;
}
l1 = strlen(s);
type = ne->value->type;
num = ne->value->length;
if (num > NAME_ONELINE_MAX) {
X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG);
goto end;
}
q = ne->value->data;
#ifdef CHARSET_EBCDIC
if (type == V_ASN1_GENERALSTRING ||
type == V_ASN1_VISIBLESTRING ||
type == V_ASN1_PRINTABLESTRING ||
type == V_ASN1_TELETEXSTRING ||
type == V_ASN1_VISIBLESTRING || type == V_ASN1_IA5STRING) {
ascii2ebcdic(ebcdic_buf, q, (num > (int)sizeof(ebcdic_buf))
? (int)sizeof(ebcdic_buf) : num);
q = ebcdic_buf;
}
#endif
if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) {
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0;
for (j = 0; j < num; j++)
if (q[j] != 0)
gs_doit[j & 3] = 1;
if (gs_doit[0] | gs_doit[1] | gs_doit[2])
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
else {
gs_doit[0] = gs_doit[1] = gs_doit[2] = 0;
gs_doit[3] = 1;
}
} else
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
for (l2 = j = 0; j < num; j++) {
if (!gs_doit[j & 3])
continue;
l2++;
#ifndef CHARSET_EBCDIC
if ((q[j] < ' ') || (q[j] > '~'))
l2 += 3;
#else
if ((os_toascii[q[j]] < os_toascii[' ']) ||
(os_toascii[q[j]] > os_toascii['~']))
l2 += 3;
#endif
}
lold = l;
l += 1 + l1 + 1 + l2;
if (l > NAME_ONELINE_MAX) {
X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG);
goto end;
}
if (b != NULL) {
if (!BUF_MEM_grow(b, l + 1))
goto err;
p = &(b->data[lold]);
} else if (l > len) {
break;
} else
p = &(buf[lold]);
*(p++) = '/';
memcpy(p, s, (unsigned int)l1);
p += l1;
*(p++) = '=';
#ifndef CHARSET_EBCDIC
q = ne->value->data;
#endif
for (j = 0; j < num; j++) {
if (!gs_doit[j & 3])
continue;
#ifndef CHARSET_EBCDIC
n = q[j];
if ((n < ' ') || (n > '~')) {
*(p++) = '\\';
*(p++) = 'x';
*(p++) = hex[(n >> 4) & 0x0f];
*(p++) = hex[n & 0x0f];
} else
*(p++) = n;
#else
n = os_toascii[q[j]];
if ((n < os_toascii[' ']) || (n > os_toascii['~'])) {
*(p++) = '\\';
*(p++) = 'x';
*(p++) = hex[(n >> 4) & 0x0f];
*(p++) = hex[n & 0x0f];
} else
*(p++) = q[j];
#endif
}
*p = '\0';
}
if (b != NULL) {
p = b->data;
OPENSSL_free(b);
} else
p = buf;
if (i == 0)
*p = '\0';
return (p);
err:
X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE);
end:
BUF_MEM_free(b);
return (NULL);
} | https://github.com/openssl/openssl/blob/24c2cd3967ed23acc0bd31a3781c4525e2e42a2c/crypto/x509/x509_obj.c/#L182 |
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